| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
301  | Kiukainen  Kiukainen,Kiukais | Finland, Satakunta Rauma > Eura | seat of a third-order administrative division population 3,358 | N 61° 13′ 0'' | E 22° 5′ 0'' |
| 302 | Kinnula Kinnula,Киннула | Finland, Central Finland Saarijärvi-Viitasaari > Kinnula | seat of a third-order administrative division population 1,883 | N 63° 23′ 0'' | E 24° 57′ 0'' |
| 303 | Kiihtelysvaara Kiihtelysvaara,Kikhteljusvara,Кихтелюсвара | Finland, North Karelia Joensuu > Joensuu | populated place population 2,723 | N 62° 29′ 42'' | E 30° 15′ 2'' |
| 304 | Kestilä Kestila,Kestilja,Kestilä,Кестиля | Finland, North Ostrobothnia Haapavesi-Siikalatva > Siikalatva | populated place population 1,576 | N 64° 21′ 0'' | E 26° 16′ 45'' |
| 305 | Kesälahti Kesaelahti,Kesjalakhti,Kesälahti,Кесялахти | Finland, North Karelia Keski-Karjala > Kitee | populated place population 2,665 | N 61° 53′ 51'' | E 29° 50′ 5'' |
| 306 | Kerimäki Kerimaeki,Kerimjaki,Kerimäki,Керимяки | Finland, South Savo Savonlinna > Savonlinna | populated place population 5,841 | N 61° 54′ 38'' | E 29° 16′ 56'' |
| 307 | Kempele Kempele,Kempelen,Кемпеле | Finland, North Ostrobothnia Oulu > Kempele | seat of a third-order administrative division population 14,293 | N 64° 54′ 47'' | E 25° 30′ 12'' |
| 308 | Keminmaa Kemi,Keminmaa | Finland, Lapland Kemi-Tornio > Keminmaa | seat of a third-order administrative division population 8,980 | N 65° 48′ 5'' | E 24° 32′ 41'' |
| 309 | Kellokoski Kellokoski,Mariefors,Келлокоски | Finland, Uusimaa Helsinki sub-region > Tuusula | populated place population 4,300 | N 60° 31′ 57'' | E 25° 6′ 33'' |
| 310 | Kauklahti Koklaks,Koklax,Köklaks,Köklax | Finland, Uusimaa Helsinki sub-region > Espoo | populated place population 6,119 | N 60° 11′ 33'' | E 24° 36′ 1'' |
| 311 | Kauhava KAU,Kaugava,Kauhava,Kauhava linn,Kaukhava,kao ha wa,Каугава,Каухава,کاوہاوا,考哈瓦 | Finland, South Ostrobothnia Seinäjoki > Kauhava | seat of a third-order administrative division population 7,896 | N 63° 6′ 10'' | E 23° 4′ 16'' |
| 312 | Katajanokka 08,Katajanokanluoto,Katajanokka,Skataklobben,Skatta,Skatudden | Finland, Uusimaa Helsinki sub-region > Helsinki | section of populated place population 4,994 | N 60° 9′ 57'' | E 24° 58′ 16'' |
| 313 | Karttula Karttula,Karttulankyla,Karttulankylä,Vapaakirkko,Карттула | Finland, North Savo Kuopio > Kuopio | populated place population 3,383 | N 62° 53′ 46'' | E 26° 58′ 13'' |
| 314 | Karstula Karstula,Карстула | Finland, Central Finland Saarijärvi-Viitasaari > Karstula | seat of a third-order administrative division population 4,718 | N 62° 52′ 0'' | E 24° 47′ 0'' |
| 315 | Karinaisten Kirkonkylä Karinainen,Karinais,Karinaisten Kirkonkyla,Karinaisten Kirkonkylä | Finland, Southwest Finland Loimaa > Pöytyä | populated place population 2,497 | N 60° 40′ 15'' | E 22° 46′ 24'' |
| 316 | Karigasniemi Karigasniemi,Niittyvuopio,Niittyvuorio,Nittyvuopio,Каригасниеми | Finland, Lapland Pohjois-Lappi > Utsjoki | populated place | N 69° 23′ 56'' | E 25° 51′ 3'' |
| 317 | Karhula Karhula,Karkhula,Кархула | Finland, Kymenlaakso Kotka-Hamina > Kotka | populated place population 22,867 | N 60° 31′ 17'' | E 26° 55′ 52'' |
| 318 | Kannonkoski Kannonkoski,Каннонкоски | Finland, Central Finland Saarijärvi-Viitasaari > Kannonkoski | seat of a third-order administrative division population 1,591 | N 62° 58′ 0'' | E 25° 15′ 0'' |
| 319 | Kankaanpää Kankaanpaa,Kankaanpjaa,kan kang pei,knkan pa,Канкаанпяа,Канкаанпӓӓ,کنکان پا,坎康佩 | Finland, Satakunta Pohjois-Satakunta > Kankaanpää | seat of a third-order administrative division population 12,381 | N 61° 48′ 0'' | E 22° 25′ 0'' |
| 320 | Kangaslampi | Finland, North Savo Varkaus > Varkaus | populated place population 1,596 | N 62° 17′ 44'' | E 28° 15′ 10'' |
| 321 | Kalvola Kalvola | Finland, Kanta-Häme Hämeenlinna > Hämeenlinna | populated place population 3,406 | N 61° 6′ 2'' | E 24° 7′ 18'' |
| 322 | Kälviä Kaelviae,Kelvia,Kelviå,Kyal'viya,Kälviä | Finland, Central Ostrobothnia Kokkola > Kokkola | populated place population 4,449 | N 63° 51′ 38'' | E 23° 27′ 10'' |
| 323 | Kalajoki Kalagioki,Kalajoki,Kalajoki linn,ka la yue ji,kalaywky,karayoki,Καλαγιόκι,Калайоки,Калайокі,کالایوکی... | Finland, North Ostrobothnia Ylivieska > Kalajoki | seat of a third-order administrative division population 8,869 | N 64° 15′ 0'' | E 23° 57′ 0'' |
| 324 | Joutsa Joutsa,Joutsa vald,jwtsa,yue cha,Йоутса,جوتسا,約察 | Finland, Central Finland Joutsa > Joutsa | seat of a third-order administrative division population 4,060 | N 61° 44′ 0'' | E 26° 7′ 0'' |
| 325 | Jäppilä Jaeppilae,Jappilja,Jäppilä,Яппиля | Finland, South Savo Pieksämäki > Pieksämäki | populated place population 1,501 | N 62° 22′ 44'' | E 27° 26′ 1'' |
| 326 | Janakkala Janakkala,Janakkala vald,jnakkala,ya wei ka la,Янаккала,جناککالا,亞維卡拉 | Finland, Kanta-Häme Hämeenlinna > Janakkala | seat of a third-order administrative division population 15,698 | N 60° 54′ 0'' | E 24° 36′ 0'' |
| 327 | Jalasjärvi Jalasjarvi,Jalasjärvi,Yalas'yarvi,Yalas’yarvi | Finland, South Ostrobothnia Seinäjoki > Kurikka | populated place population 8,662 | N 62° 29′ 24'' | E 22° 45′ 32'' |
| 328 | Elimäki Ehlimjaki,Elima,Elimae,Elimaeki,Elimä,Elimäki,Элимяки | Finland, Kymenlaakso Kouvola > Kouvola | seat of a third-order administrative division population 8,751 | N 60° 43′ 0'' | E 26° 28′ 0'' |
| 329 | Anjala Anjala,Anujala,Анъяла | Finland, Kymenlaakso Kouvola > Kouvola | section of populated place population 16,779 | N 60° 41′ 0'' | E 26° 50′ 0'' |
| 330 | Alppikylä Albyn,Alpbyn,Alppikylae,Alppikylä | Finland, Uusimaa Helsinki sub-region > Helsinki | populated place population 1,478 | N 60° 15′ 36'' | E 25° 4′ 9'' |
| 331 | Alavieska Alavieska,Алавиеска | Finland, North Ostrobothnia Ylivieska > Alavieska | seat of a third-order administrative division population 2,883 | N 64° 10′ 0'' | E 24° 18′ 0'' |
| 332 | Alahärmä Alahaermae,Alahärmä,Alakhjarmja,Алахярмя | Finland, South Ostrobothnia Seinäjoki > Kauhava | seat of a third-order administrative division population 4,915 | N 63° 14′ 53'' | E 22° 51′ 17'' |
| 333 | Ahvenkoski Abborrfors,Ahvenkoski,Stor Abborfors,Stor Abborforsgard,Stor Abborforsgård,Suur Ahvenkoski | Finland, Kymenlaakso Kotka-Hamina > Pyttis | populated place | N 60° 30′ 2'' | E 26° 28′ 40'' |
| 334 | Sörnäinen 10,Soerkka,Soernaeinen,Soernaes,Sörkka,Sörnäinen,Sörnäs | Finland, Uusimaa Helsinki sub-region > Helsinki | section of populated place population 14,999 | N 60° 11′ 11'' | E 24° 57′ 54'' |
| 335 | Siuntio Shundeo,Siunlia,Siuntio,Sjundea,Sjundeå,Шундео | Finland, Uusimaa Helsinki sub-region > Siuntio | seat of a third-order administrative division population 5,229 | N 60° 8′ 19'' | E 24° 13′ 37'' |
| 336 | Simo Simo,Симо | Finland, Lapland Kemi-Tornio > Simo | seat of a third-order administrative division population 3,582 | N 65° 40′ 0'' | E 25° 3′ 0'' |
| 337 | Säynätsalo Saeynaetsalo,Sjajnjatsalo,Säynätsalo,Сяйнятсало | Finland, Central Finland Jyväskylä > Jyväskylä | populated place population 3,322 | N 62° 8′ 24'' | E 25° 46′ 10'' |
| 338 | Sahalahti Sahalahti,Sakalakhti,Сакалахти | Finland, Pirkanmaa Tampere > Kangasala | populated place population 2,141 | N 61° 28′ 28'' | E 24° 19′ 35'' |
| 339 | Saarenkylä Saarenkyla,Saarenkylä,Saari,Sari,Сари | Finland, South Karelia Imatra > Parikkala | populated place population 1,326 | N 61° 38′ 57'' | E 29° 45′ 6'' |
| 340 | Rymättylä Rimito,Rymaettylae,Rymättylä | Finland, Southwest Finland Turku > Naantali | seat of a third-order administrative division population 1,987 | N 60° 22′ 35'' | E 21° 56′ 30'' |
| 341 | Ruukki Rukki,Ruukki,Рукки | Finland, North Ostrobothnia Raahe > Siikajoki | seat of a third-order administrative division population 4,386 | N 64° 40′ 0'' | E 25° 6′ 0'' |
| 342 | Oravais Oravais,Oravaisfabrik,Oravaistentehdas,Ruths,Ruts | Finland, Ostrobothnia Vaasa > Vörå | populated place | N 63° 18′ 45'' | E 22° 24′ 58'' |
| 343 | Ruskeasanta Roedsand,Rödsand | Finland, Uusimaa Helsinki sub-region > Vantaa | populated place population 4,251 | N 60° 18′ 45'' | E 25° 0′ 30'' |
| 344 | Röykkä Rjoukkja,Roeykkae,Röykkä,roikka,rwkkh,rwyka,Рёуккя,رويكا,روککه,ロイッカ | Finland, Uusimaa Helsinki sub-region > Nurmijärvi | populated place population 1,614 | N 60° 29′ 15'' | E 24° 38′ 57'' |
| 345 | Ristijärvi Ristijaervi,Ristijarvi,Ristijärvi,Ристиярви | Finland, Kainuu Kajaani > Ristijärvi | seat of a third-order administrative division population 1,621 | N 64° 30′ 0'' | E 28° 13′ 0'' |
| 346 | Replot Raippaluoto,Replot,Replotoe,Replotö | Finland, Ostrobothnia Vaasa > Korsholm | populated place population 2,100 | N 63° 13′ 43'' | E 21° 25′ 0'' |
| 347 | Rautjärvi Rautjaervi,Rautjärvi,Rautujarvi,Раутъярви | Finland, South Karelia Imatra > Rautjärvi | section of populated place population 4,316 | N 61° 26′ 4'' | E 29° 22′ 17'' |
| 348 | Rantsila Rantsila,Рантсила | Finland, North Ostrobothnia Haapavesi-Siikalatva > Siikalatva | populated place population 2,048 | N 64° 30′ 22'' | E 25° 39′ 52'' |
| 349 | Rääkkylä Braekylae,Bräkylä,Raeaekkylae,Rääkkylä | Finland, North Karelia Keski-Karjala > Rääkkylä | seat of a third-order administrative division population 2,855 | N 62° 19′ 0'' | E 29° 37′ 0'' |
| 350 | Pyhäselkä Pyhaeselkae,Pyhäselkä | Finland, North Karelia Joensuu > Joensuu | seat of a third-order administrative division population 7,210 | N 62° 26′ 0'' | E 29° 58′ 0'' |
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