| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
451  | Mariana Trench - Challenger Deep  Gl'ubina Chelendzher,Gl’ubina Chelendzher,Гльубина Челенджер | Micronesia, Yap State Fais Municipality | deep | N 11° 21′ 59'' | E 142° 36′ 0'' |
452  | Micronesia Micronesia,Micronesie,Micronésia,Micronésie,Mikronesien,Mikronezija,mikuroneshia,mykrwnysya,Микронез... | GU,FM,KI,MH,PW,NR | region population 460,000 | N 6° 32′ 1'' | E 163° 44′ 24'' |
453  | Onoun Ulul | Micronesia, Chuuk Onoun Municipality | populated place population 633 | N 8° 34′ 44'' | E 149° 40′ 59'' |
| 454 | Lelu Lelu Town | Micronesia, Kosrae Lelu Municipality | seat of a second-order administrative division population 2,160 | N 5° 20′ 0'' | E 163° 1′ 20'' |
| 455 | Ettal Village Etal | Micronesia, Chuuk Ettal Municipality | populated place population 267 | N 5° 33′ 56'' | E 153° 34′ 42'' |
| 456 | Manila Reef North End Orauru-Fels,Susanne Bank,Tamesa Reef | Micronesia, Chuuk Houk Municipality | seamount | N 7° 4′ 34'' | E 149° 0′ 42'' |
| 457 | Helene Shoal Banc Helene,Banc Hélène,Helene Reef,Tsu | Micronesia, Chuuk | reef | N 5° 32′ 0'' | E 149° 8′ 0'' |
| 458 | Akashi Knoll Akashi Sho,Akashi Shoal,Akashi Shō,Akasi Reef | Micronesia, Yap State Faraulep Municipality | knoll | N 8° 12′ 0'' | E 145° 5′ 0'' |
| 459 | Unikappi Cap Oligabi,Unikapi,Unun en Unikopi,Winakapi | Micronesia, Chuuk Pwene Municipality | populated place elevation 3m | N 7° 20′ 4'' | E 151° 33′ 33'' |
460  | Winimor Berg Ulivar,Mount Unimor,Vinimorr Krater | Micronesia, Chuuk Tolensom Municipality | mountain elevation 162m | N 7° 22′ 10'' | E 151° 37′ 39'' |
| 461 | Mertens Fuinwokaat,Merten's Monument,Sono,Sono Peak | Micronesia, Kosrae Tafunsak Municipality | hill elevation 318m | N 5° 19′ 57'' | E 162° 57′ 53'' |
462  | Lot Harbour Bunatik Hafen,Kapidau En Lohd,Kapidau en Nahlap en Lohd,Kepidau en Lohd,Lod,Lod Hafen,Ponatik Einfah... | Micronesia, Pohnpei State Madolenihm Municipality | anchorage | N 6° 47′ 55'' | E 158° 18′ 9'' |
| 463 | Witunumo Uitonap,Vinifaula | Micronesia, Chuuk Fefen Municipality | hill elevation 126m | N 7° 19′ 13'' | E 151° 50′ 43'' |
| 464 | Witonap Vidolap,Witan | Micronesia, Chuuk Udot-Fonuweisom Municipality | hill elevation 241m | N 7° 23′ 13'' | E 151° 42′ 43'' |
| 465 | Witipwon Vidiboen,Wiisopw,Wiisópw,Witynokis | Micronesia, Chuuk Weno Municipality | mountain elevation 273m | N 7° 26′ 32'' | E 151° 52′ 2'' |
| 466 | Wisop Mount Uitjap,Oror en Wisenif | Micronesia, Chuuk Udot-Fonuweisom Municipality | hill elevation 146m | N 7° 22′ 26'' | E 151° 43′ 41'' |
| 467 | Winipis O-iwa,Unipis,Vinepis,Ō-iwa | Micronesia, Chuuk Weno Municipality | populated place elevation 4m | N 7° 26′ 43'' | E 151° 53′ 6'' |
| 468 | Winipiru Uliberu Island,Uliperu,Uliperu Island,Unun Win | Micronesia, Chuuk Pwene Municipality | islet elevation 1m | N 7° 17′ 57'' | E 151° 33′ 2'' |
| 469 | Winion Vessel Pass not swept Dish Island Channel,Kiisanat,Mat Ruk I Salat,Sabotiu,Salat Pass,Salat Passage,Sanat Pass,Sara Jima S... | Micronesia, Chuuk Uman-Fonuweisom Municipality | channel | N 7° 14′ 6'' | E 152° 0′ 44'' |
| 470 | Winimas Lemunufau,Unun en Winikot,Vinimas Berg | Micronesia, Chuuk Pwene Municipality | peak elevation 186m | N 7° 20′ 20'' | E 151° 35′ 28'' |
| 471 | Wichuk Berg Vinifei,Mount Vinifei,Nishi | Micronesia, Chuuk Tolensom Municipality | hill elevation 83m | N 7° 19′ 58'' | E 151° 37′ 59'' |
| 472 | Wenen Olei Island,Olel Island,Wenchaw | Micronesia, Chuuk Pwene Municipality | islet elevation 1m | N 7° 17′ 49'' | E 151° 31′ 47'' |
| 473 | Werua Ueru Island,Uyetik,Veilua | Micronesia, Pohnpei State Kapingamarangi Municipality | island | N 1° 5′ 3'' | E 154° 48′ 25'' |
| 474 | Karot Tagaik Island,Utwa,Uyetik Island | Micronesia, Pohnpei State Sokehs Municipality | islet | N 7° 3′ 38'' | E 157° 49′ 31'' |
| 475 | Wottegai Usshugusei,Woettegaiw,Woteggai,Wottagai | Micronesia, Yap State Woleai Municipality | island | N 7° 22′ 23'' | E 143° 50′ 19'' |
| 476 | Unikar Boat Channel not swept Flower Island,Flower Islands Pass,Hana Jima Suida,Hanashima-Suido,Mochun Unigar,Mochun Unikar,Mwoocu... | Micronesia, Chuuk Uman-Fonuweisom Municipality | channel | N 7° 10′ 35'' | E 151° 57′ 51'' |
| 477 | Umong North Island,Umap,Ushima,Woomog | Micronesia, Chuuk Fonoton Municipality | island | N 7° 36′ 13'' | E 151° 56′ 29'' |
| 478 | Uataluk U,Uataluk Island,Wateiluk Island | Micronesia, Pohnpei State Sapwuahfik Municipality | islet | N 5° 46′ 30'' | E 157° 17′ 58'' |
| 479 | Turuaimu Tuluvaim,Turmeaq,Turuain,Turuwain | Micronesia, Pohnpei State Kapingamarangi Municipality | islet | N 1° 5′ 32'' | E 154° 47′ 38'' |
| 480 | Tuila Tsis Anchorage,Tsuira,Tuila Island,Tuira | Micronesia, Pohnpei State Nukuoro Municipality | islet | N 3° 51′ 25'' | E 154° 58′ 11'' |
| 481 | Touhou Soho-to,Souwou,Sōhō-tō,Touhou Island,Unun en Tou | Micronesia, Pohnpei State Kapingamarangi Municipality | island elevation 4m | N 1° 4′ 42'' | E 154° 48′ 30'' |
| 482 | Torongahai Torliyag,Torongahai-To,Toronghai | Micronesia, Pohnpei State Kapingamarangi Municipality | islet | N 1° 6′ 5'' | E 154° 46′ 48'' |
| 483 | Tomwena Tomororon,Tomuena-To,Tomwena Island | Micronesia, Pohnpei State Sokehs Municipality | islet | N 7° 4′ 54'' | E 157° 47′ 18'' |
| 484 | Tomwara Tomora,Tomu | Micronesia, Pohnpei State Sokehs Municipality | hill elevation 75m | N 6° 53′ 54'' | E 158° 8′ 9'' |
| 485 | Tolokas Berg-Ras,Mount Ras,Pwoipwoi | Micronesia, Chuuk Wonei Municipality | hill elevation 175m | N 7° 22′ 50'' | E 151° 36′ 25'' |
| 486 | Tokongo Toinom,Tokang,Tokon | Micronesia, Pohnpei State Kapingamarangi Municipality | islet | N 1° 1′ 46'' | E 154° 47′ 8'' |
| 487 | Tipae Tibae,Tine,Tipa | Micronesia, Pohnpei State Kapingamarangi Municipality | islet | N 1° 3′ 20'' | E 154° 48′ 31'' |
| 488 | Not Point Net Point,Nett Point,Timwenpwel Point,Tliglig | Micronesia, Pohnpei State Nett Municipality | point | N 6° 58′ 34'' | E 158° 13′ 23'' |
| 489 | Tiahu Thunbaliy,Tiaha,Tiau | Micronesia, Pohnpei State Kapingamarangi Municipality | islet | N 1° 1′ 49'' | E 154° 47′ 14'' |
| 490 | Tewenik Fanatu Island,Lap,Lap Island,Tweniik | Micronesia, Chuuk Piis-Panewu Municipality | islet | N 7° 39′ 49'' | E 151° 51′ 18'' |
| 491 | Tirakaume Terakaume,Tilachaumhe,Tirakaume-To | Micronesia, Pohnpei State Kapingamarangi Municipality | islet | N 1° 1′ 42'' | E 154° 47′ 0'' |
| 492 | Sakenge Taken,Tateng,Tikenge | Micronesia, Pohnpei State Kapingamarangi Municipality | islet | N 1° 3′ 44'' | E 154° 48′ 35'' |
| 493 | Taringa Daling,Taarin Island,Taarin-to,Taarin-tō,Tarin To | Micronesia, Pohnpei State Kapingamarangi Municipality | islet | N 1° 4′ 26'' | E 154° 48′ 35'' |
| 494 | Tariha Tadiga,Tari,Taria | Micronesia, Pohnpei State Kapingamarangi Municipality | islet | N 1° 1′ 52'' | E 154° 47′ 19'' |
| 495 | Tangawanga Tanavaka,Tangavaka,Tangawak,Tangawaka | Micronesia, Pohnpei State Kapingamarangi Municipality | islet | N 1° 2′ 54'' | E 154° 48′ 28'' |
| 496 | Talap Taarappu To,Talap Island,Tarappu-to,Tolap Island,Tārappu-tō | Micronesia, Chuuk Piis-Emwar Municipality | islet | N 6° 49′ 59'' | E 152° 41′ 24'' |
| 497 | Takairongo Tachailon,Tageilong,Takairong | Micronesia, Pohnpei State Kapingamarangi Municipality | islet | N 1° 3′ 1'' | E 154° 48′ 30'' |
| 498 | Takaieu Takai Uh,Takaiu,Takaiyu,Takeiu | Micronesia, Pohnpei State U Municipality | island elevation 215m | N 6° 56′ 11'' | E 158° 17′ 31'' |
| 499 | Tahangatabu Dahangadabu,Tahanatapu,Tahangatabu Island,Tahangatapu | Micronesia, Pohnpei State Nukuoro Municipality | islet | N 3° 52′ 13'' | E 154° 56′ 58'' |
| 500 | Tahangaroro Dahangahaino,Tahanaroa,Tahanga Tabu,Tahangoro Island | Micronesia, Pohnpei State Nukuoro Municipality | islet | N 3° 52′ 15'' | E 154° 57′ 4'' |
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