| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
401  | Onyanje Onyanje,Onyanje Hill | Kenya, Siaya County | hill | N 0° 1′ 55'' | E 34° 26′ 56'' |
| 402 | Ongwe Hill Ongwe,Ongwe Hill | Kenya, Lamu | hill | S 2° 22′ 31'' | E 40° 39′ 33'' |
| 403 | Ongata Ondare Angata E'n Dare,Angata E’n Dare,Ongata Ondare | Kenya, Laikipia | plain(s) | S 0° 4′ 0'' | E 36° 40′ 0'' |
| 404 | Omange Omange,Omange Hill,Omangi | Kenya, Migori County | hill | S 0° 50′ 4'' | E 34° 12′ 22'' |
| 405 | Posimoru Lengijabi,Olpusi Moru,Posimoru | Kenya, | hill | S 1° 49′ 36'' | E 35° 30′ 15'' |
| 406 | Soitoitashe Olosoitoitashe,Soitoitashe,Sol Otashi | Kenya, Laikipia | hill | N 0° 23′ 26'' | E 37° 4′ 49'' |
| 407 | Olosirwai Oloosiruai,Olosirwai,Olosurwai | Kenya, Narok County | hill | S 1° 2′ 0'' | E 34° 47′ 0'' |
| 408 | Ol Doinyo Loisekin Ol Doinyo Loisekin,Oldoinyo Loisekin,Olosegin | Kenya, Narok County | hill | S 1° 33′ 49'' | E 35° 30′ 52'' |
| 409 | Oloolkisailie Lorgasalik,Lorgosailic,Ololkisalie,Oloolkisailie | Kenya, Kajiado County | mountains | S 1° 39′ 41'' | E 36° 25′ 50'' |
| 410 | Olomisimis Olomis Mis,Olomisimis,Olomiss Miss | Kenya, Narok County | hill | S 1° 2′ 48'' | E 34° 55′ 15'' |
| 411 | Oldoinyo Ololemoya Lamwia,Oldoinyo Ololemoya,Ololemoya | Kenya, Kajiado County | hill | S 1° 25′ 0'' | E 36° 38′ 0'' |
| 412 | Ol Olbwa Ol Olbwa,Olalbwa,Ololbwa | Kenya, Narok County | mountain | S 1° 40′ 21'' | E 35° 30′ 43'' |
| 413 | Hell’s Gate Hell's Gate,Hell’s Gate,Ol Njorowa,Ololbutot | Kenya, Nakuru County | gorge(s) | S 0° 54′ 30'' | E 36° 18′ 53'' |
| 414 | Lauraki Lauragi,Lauraki,Olauraki,Ololauraki | Kenya, Laikipia | hill | N 0° 27′ 54'' | E 37° 5′ 36'' |
| 415 | Ololauraki Lauragi,Lauraki,Olauraki,Ololauraki | Kenya, Laikipia | hill | N 0° 26′ 21'' | E 37° 5′ 14'' |
| 416 | Ol Doinyo Ololarami Chamwie,Ol Doinyo Ololarami,Oldoinyo Ololarami | Kenya, Taita Taveta | hill | S 2° 52′ 14'' | E 37° 55′ 8'' |
| 417 | Olokurto Olokurto,Olokurto Hills | Kenya, Kajiado County | hill | S 2° 45′ 28'' | E 37° 50′ 34'' |
| 418 | Olkurum Gurum,Kurum,Olkurum | Kenya, Laikipia | hill | N 0° 25′ 0'' | E 37° 9′ 0'' |
| 419 | Ongata Oolkululu Plain Ongata Olkululu,Ongata Olkululu Plain,Ongata Oolkululu Plain | Kenya, Kajiado County | plain(s) | S 1° 45′ 10'' | E 36° 24′ 11'' |
| 420 | Kokwa Island Kokwa Island,Ol Kokwe,Olkokwa | Kenya, Baringo | island | N 0° 36′ 54'' | E 36° 4′ 19'' |
| 421 | Ol Kinyie Hills Ol Kinyie Hills,Olikinnyei Hills,Olkinyie Hills,Olkinyiei Hills | Kenya, Narok County | hills | S 1° 9′ 35'' | E 35° 22′ 51'' |
| 422 | Ol Kimanjoi Kimanjo,Ol Kimanjoi,Olkimanjoi | Kenya, Laikipia | hill | N 0° 27′ 37'' | E 37° 1′ 15'' |
| 423 | Ndigir Ol Kimaniki Ndigir Ol Kimaniki,Ndigir Ol Kimaniki Pass,Ndigir Olkimaniki | Kenya, Samburu County | pass | N 0° 51′ 37'' | E 37° 25′ 52'' |
| 424 | Endoinyo Oikiloriti Endoinyo Oikiloriti,Endoinyo Olkiloriti,Endonyioi Olkiloriti | Kenya, Kajiado County | hill | S 2° 11′ 44'' | E 37° 29′ 39'' |
| 425 | Ol Kanjo Lolkanjao,Ol Kanjo,Olkanjo | Kenya, Samburu County | mountain | N 0° 52′ 19'' | E 37° 46′ 21'' |
| 426 | Oliosur Oliosur,Oliosuru | Kenya, Kajiado County | hill | S 2° 0′ 47'' | E 36° 39′ 5'' |
| 427 | Olgutum Olgurtam,Olgutum | Kenya, Kajiado County | hill | S 2° 23′ 18'' | E 37° 33′ 50'' |
| 428 | Ol Esayeti Laisagut,Ol Esayeti,Olesakut,Olesayeti | Kenya, Kajiado County | mountain | S 1° 27′ 33'' | E 36° 34′ 22'' |
| 429 | Olesakut Ol Esakut,Olesakut,Olesakut Hills | Kenya, Kajiado County | mountain | S 1° 29′ 23'' | E 36° 32′ 48'' |
| 430 | Olent Onai Escarpment Olent Onai Escarpment,Olentonai,Oletunai,Oloontana Escarpment | Kenya, Kajiado County | escarpment | S 1° 44′ 52'' | E 36° 20′ 20'' |
| 431 | Shompole Olengarua,Shombole,Shompole | Kenya, | mountain | S 1° 59′ 36'' | E 36° 2′ 52'' |
| 432 | Oleleishua Escarpment Eleleshua Escarpment,Oleleishua,Oleleishua Escarpment | Kenya, Kajiado County | escarpment | S 1° 58′ 34'' | E 36° 27′ 51'' |
| 433 | Gelegele Gelegele,Okekele,Okelele,Olekele | Kenya, | hill | S 0° 53′ 25'' | E 35° 0′ 48'' |
| 434 | Oleeilelu Kaki,Oleeilelu | Kenya, Kajiado County | hill | S 2° 36′ 30'' | E 37° 41′ 25'' |
| 435 | Ongata Olduroroi Angata Olduroroi,Ongata Olduroroi | Kenya, Narok County | plain(s) | S 1° 23′ 9'' | E 35° 5′ 42'' |
| 436 | Ol Doinyo Loloip Doinyo Oliep,Ol Doinyo Loloip,Oldoinyo Loloip | Kenya, Laikipia | hill | N 0° 28′ 29'' | E 36° 25′ 22'' |
| 437 | Ol Laleta Lenderut,Ol Laleta,Olalata | Kenya, Narok County | hill | S 1° 42′ 47'' | E 35° 23′ 27'' |
| 438 | Ogurchi Libo Ogorchi Libo,Ogurchi Libo | Kenya, Wajir County | hill | N 3° 11′ 5'' | E 39° 27′ 3'' |
| 439 | Odidi Odidi,Odidi Hill | Kenya, Busia County | hill | N 0° 14′ 25'' | E 34° 7′ 3'' |
| 440 | Got Ochieng God Kochieng,Got Kochieng,Got Ochieng,Got Ochiengi | Kenya, Migori County | hill | S 0° 55′ 31'' | E 34° 26′ 27'' |
| 441 | God Ochieng God Ochieng,Got Ochieng,Omarkokoth | Kenya, Homa Bay County | hills | S 0° 35′ 0'' | E 34° 25′ 0'' |
| 442 | God Obilo God Obilo,Got Obilo,Orianda | Kenya, Homa Bay County | hill | S 0° 32′ 1'' | E 34° 20′ 38'' |
| 443 | Obasiri Kubasara,Kubasari,Obasari,Obasiri | Kenya, Kakamega County | hill | N 0° 25′ 18'' | E 34° 55′ 47'' |
| 444 | Nziitu Nthetu,Nzetu,Nziitu | Kenya, Kitui County | hill | S 0° 19′ 5'' | E 38° 13′ 46'' |
| 445 | Nzauni Hzaoni,Nzaoni,Nzauni | Kenya, Kitui County | mountain | S 1° 7′ 35'' | E 38° 0′ 34'' |
| 446 | Kalima Nzalu Kalima Nzalu,Kilima Nzalu,Kilima Nzalu Hill | Kenya, Makueni County | hill | S 1° 39′ 0'' | E 37° 18′ 0'' |
| 447 | Nyuki Nuki,Nyuki,Oldoinyo Nyukie | Kenya, Marsabit County | hill | N 3° 5′ 50'' | E 38° 39′ 12'' |
| 448 | Endoinyo Nyukie Endoinyo Nyukie,Ndonyu Yuki | Kenya, Isiolo County | hill | N 0° 16′ 18'' | E 37° 45′ 48'' |
| 449 | Ol Doinyo Nyokie Mount Shelford,Nyukie,Ol Doinyo Nyegi,Ol Doinyo Nyokie | Kenya, Kajiado County | hill | S 1° 48′ 0'' | E 36° 22′ 29'' |
| 450 | Ndoinyo Nyokie Ndoinyo Nyoki,Ndoinyo Nyokie,Oldoinyo Nyokie | Kenya, Makueni County | hill | S 2° 19′ 57'' | E 37° 39′ 37'' |
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