| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
251  | Koikkala Haneberg,Koikkala,Kojkkala,Койккала | Finland, South Savo Pieksämäki > Juva | populated place | N 61° 43′ 11'' | E 27° 54′ 26'' |
| 252 | Kivijärvi  Kivijaervi,Kivijarvi,Kivijärvi,Кивиярви | Finland, Central Finland Saarijärvi-Viitasaari > Kivijärvi | seat of a third-order administrative division population 1,427 | N 63° 7′ 11'' | E 25° 4′ 42'' |
| 253 | 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'' |
| 254 | 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'' |
| 255 | Kiihtelysvaara Kiihtelysvaara,Kikhteljusvara,Кихтелюсвара | Finland, North Karelia Joensuu > Joensuu | populated place population 2,723 | N 62° 29′ 42'' | E 30° 15′ 2'' |
| 256 | Kestilä Kestila,Kestilja,Kestilä,Кестиля | Finland, North Ostrobothnia Haapavesi-Siikalatva > Siikalatva | populated place population 1,576 | N 64° 21′ 0'' | E 26° 16′ 45'' |
| 257 | Kesälahti Kesaelahti,Kesjalakhti,Kesälahti,Кесялахти | Finland, North Karelia Keski-Karjala > Kitee | populated place population 2,665 | N 61° 53′ 51'' | E 29° 50′ 5'' |
| 258 | Kerimäki Kerimaeki,Kerimjaki,Kerimäki,Керимяки | Finland, South Savo Savonlinna > Savonlinna | populated place population 5,841 | N 61° 54′ 38'' | E 29° 16′ 56'' |
| 259 | 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'' |
| 260 | 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'' |
| 261 | Kellokoski Kellokoski,Mariefors,Келлокоски | Finland, Uusimaa Helsinki sub-region > Tuusula | populated place population 4,300 | N 60° 31′ 57'' | E 25° 6′ 33'' |
| 262 | Kauklahti Koklaks,Koklax,Köklaks,Köklax | Finland, Uusimaa Helsinki sub-region > Espoo | populated place population 6,119 | N 60° 11′ 33'' | E 24° 36′ 1'' |
| 263 | 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'' |
| 264 | 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'' |
| 265 | Karttula Karttula,Karttulankyla,Karttulankylä,Vapaakirkko,Карттула | Finland, North Savo Kuopio > Kuopio | populated place population 3,383 | N 62° 53′ 46'' | E 26° 58′ 13'' |
| 266 | 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'' |
| 267 | 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'' |
| 268 | Karigasniemi Karigasniemi,Niittyvuopio,Niittyvuorio,Nittyvuopio,Каригасниеми | Finland, Lapland Pohjois-Lappi > Utsjoki | populated place | N 69° 23′ 56'' | E 25° 51′ 3'' |
| 269 | Karhula Karhula,Karkhula,Кархула | Finland, Kymenlaakso Kotka-Hamina > Kotka | populated place population 22,867 | N 60° 31′ 17'' | E 26° 55′ 52'' |
| 270 | 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'' |
| 271 | 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'' |
| 272 | Merikarvia Merikarvia,Sastmola | Finland, Satakunta Pori > Merikarvia | seat of a third-order administrative division population 3,547 | N 61° 51′ 30'' | E 21° 30′ 1'' |
| 273 | Meilahti 15,Meikku,Meilahti,Mejlans | Finland, Uusimaa Helsinki sub-region > Helsinki | section of populated place population 5,223 | N 60° 11′ 23'' | E 24° 53′ 49'' |
| 274 | Maksamaa Maksamaa,Maksmo,Maxmo | Finland, Ostrobothnia Vaasa > Vörå | populated place population 500 | N 63° 12′ 48'' | E 22° 3′ 33'' |
| 275 | Matinkylä Alue 21,MK,Masa,Mattari,Mattby | Finland, Uusimaa Helsinki sub-region > Espoo | section of populated place population 22,688 | N 60° 9′ 31'' | E 24° 44′ 32'' |
| 276 | Masku Masko,Masku | Finland, Southwest Finland Turku > Masku | seat of a third-order administrative division population 5,974 | N 60° 34′ 14'' | E 22° 5′ 55'' |
| 277 | Marttila Marttila,S:t Martens,S:t Mårtens,Sankt Martens,Sankt Mårtens,T Martens,T Mårtens,Марттила | Finland, Southwest Finland Loimaa > Marttila | seat of a third-order administrative division population 2,125 | N 60° 35′ 0'' | E 22° 54′ 0'' |
| 278 | Martinniemi | Finland, North Ostrobothnia Oulu > Oulu | populated place population 2,654 | N 65° 12′ 44'' | E 25° 18′ 33'' |
| 279 | Maalahti Maahlahti,Maalahti,Maalalahti,Malaks,Malax,Mallax | Finland, Ostrobothnia Vaasa > Malax | seat of a third-order administrative division population 5,517 | N 62° 56′ 32'' | E 21° 34′ 23'' |
| 280 | Maaninka Maaninka,Maninka,Манинка | Finland, North Savo Kuopio > Kuopio | populated place population 3,638 | N 63° 9′ 18'' | E 27° 17′ 57'' |
| 281 | Luvia | Finland, Satakunta Rauma > Eurajoki | populated place population 3,260 | N 61° 21′ 49'' | E 21° 37′ 32'' |
| 282 | Luopioinen Luopioinen,Luopiojnen,Луопиойнен | Finland, Pirkanmaa Tampere > Pälkäne | populated place population 2,381 | N 61° 21′ 46'' | E 24° 40′ 4'' |
| 283 | Lohtaja Lochtea,Lochteå,Lohtaja,Lokhteo | Finland, Central Ostrobothnia Kokkola > Kokkola | seat of a third-order administrative division population 3,043 | N 64° 1′ 29'' | E 23° 30′ 17'' |
| 284 | Liminka Limingo,Liminka,Лиминка | Finland, North Ostrobothnia Oulu > Liminka | seat of a third-order administrative division population 7,058 | N 64° 48′ 35'' | E 25° 24′ 55'' |
| 285 | Lieto Lieto,Lundo | Finland, Southwest Finland Turku > Lieto | seat of a third-order administrative division population 15,258 | N 60° 30′ 37'' | E 22° 27′ 42'' |
| 286 | Leppävirta Leppaevirta,Leppjavirta,Leppävirta,Леппявирта | Finland, North Savo Varkaus > Leppävirta | seat of a third-order administrative division population 10,936 | N 62° 29′ 24'' | E 27° 46′ 57'' |
| 287 | Lemu Lemo,Lemu | Finland, Southwest Finland Turku > Masku | seat of a third-order administrative division population 1,738 | N 60° 34′ 0'' | E 21° 58′ 0'' |
| 288 | Leivonmäki Leivonmaeki,Leivonmaki,Leivonmäki,Lejvonmjaki,Лейвонмяки | Finland, Central Finland Joutsa > Joutsa | populated place population 1,138 | N 61° 54′ 43'' | E 26° 7′ 40'' |
| 289 | Lauttasaari 31,Drumso,Drumsoe,Drumsö,Lauttasaari | Finland, Uusimaa Helsinki sub-region > Helsinki | section of populated place population 20,000 | N 60° 9′ 32'' | E 24° 52′ 4'' |
| 290 | Lappi Lapinkyla,Lapinkylä,Lappi,Лаппи | Finland, Satakunta Rauma > Rauma | seat of a third-order administrative division population 3,212 | N 61° 6′ 0'' | E 21° 50′ 0'' |
| 291 | Laihia Laihela,Laihia | Finland, Ostrobothnia Vaasa > Laihia | seat of a third-order administrative division population 7,782 | N 62° 58′ 33'' | E 22° 0′ 41'' |
| 292 | Kyläsaari Inderoe,Inderö,Iudero,Kokemaensaari,Kokemäensaari,Kylansaari,Kylasaari,Kylänsaari,Kyläsaari | Finland, Satakunta Pori > Pori | populated place | N 61° 32′ 22'' | E 21° 39′ 43'' |
| 293 | Kuusankoski Kuusankoski,Куусанкоски | Finland, Kymenlaakso Kouvola > Kouvola | populated place | N 60° 54′ 25'' | E 26° 37′ 27'' |
| 294 | Kuru | Finland, Pirkanmaa Tampere > Ylöjärvi | populated place population 2,701 | N 61° 52′ 32'' | E 23° 43′ 10'' |
| 295 | Sahalahti Sahalahti,Sakalakhti,Сакалахти | Finland, Pirkanmaa Tampere > Kangasala | populated place population 2,141 | N 61° 28′ 28'' | E 24° 19′ 35'' |
| 296 | Saarenkylä Saarenkyla,Saarenkylä,Saari,Sari,Сари | Finland, South Karelia Imatra > Parikkala | populated place population 1,326 | N 61° 38′ 57'' | E 29° 45′ 6'' |
| 297 | 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'' |
| 298 | 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'' |
| 299 | Oravais Oravais,Oravaisfabrik,Oravaistentehdas,Ruths,Ruts | Finland, Ostrobothnia Vaasa > Vörå | populated place | N 63° 18′ 45'' | E 22° 24′ 58'' |
| 300 | Ruskeasanta Roedsand,Rödsand | Finland, Uusimaa Helsinki sub-region > Vantaa | populated place population 4,251 | N 60° 18′ 45'' | E 25° 0′ 30'' |
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