| Name | Population | Altitude | Latitude | Longitude | 
| Oimbisi : | 
 | 469 m | 5°51'44.0" N | 20°43'37.9" E | 
| Ombade (Ombadé) : | 
 | 520 m | 6°12'0.0" N | 20°16'0.1" E | 
| Ongo : | 
 | 518 m | 5°50'60.0" N | 21°19'59.9" E | 
| Oroko : | 
 | 580 m | 5°31'60.0" N | 21°15'0.0" E | 
| Oroma : | 
 | 459 m | 4°37'60.0" N | 20°41'60.0" E | 
| Ote (Oté) : | 
 | 430 m | 5°15'0.0" N | 19°31'59.9" E | 
| Otto : | 
 | 457 m | 4°34'0.0" N | 21°55'59.9" E | 
| Ouadimi : | 
 | 573 m | 6°25'0.0" N | 21°10'0.1" E | 
| Ouaga : | 
 | 609 m | 5°37'0.0" N | 21°3'0.0" E | 
| Ouago : | 
 | 527 m | 5°22'60.0" N | 21°31'0.1" E | 
| Ouagou : | 
 | 610 m | 5°50'60.0" N | 22°18'0.0" E | 
| Oualaka : | 
 | 573 m | 6°25'0.0" N | 21°10'0.1" E | 
| Oualapendo : | 
 | 502 m | 6°5'60.0" N | 21°7'0.1" E | 
| Oualida : | 
 | 551 m | 6°19'0.0" N | 21°10'59.9" E | 
| Ouamandji : | 
 | 615 m | 5°39'0.0" N | 20°31'0.1" E | 
| Ouambaki : | 
 | 607 m | 5°40'0.0" N | 20°31'0.1" E | 
| Ouambambassa : | 
 | 596 m | 5°40'0.0" N | 20°31'59.9" E | 
| Ouamiri : | 
 | 524 m | 6°12'0.0" N | 20°45'0.0" E | 
| Ouanangua : | 
 | 468 m | 5°40'60.0" N | 20°41'60.0" E | 
| Ouanda : | 
 | 608 m | 4°46'60.0" N | 20°55'59.9" E | 
| Ouandougoua : | 
 | 491 m | 5°43'0.0" N | 20°34'59.9" E | 
| Ouandza : | 
 | 426 m | 5°7'60.0" N | 20°0'0.0" E | 
| Ouangaye : | 
 | 582 m | 6°25'0.0" N | 21°36'0.0" E | 
| Ouapombo : | 
 | 480 m | 5°45'0.0" N | 20°3'0.0" E | 
| Ouate (Ouaté) : | 
 | 451 m | 4°46'60.0" N | 21°21'0.0" E | 
| Oubou : | 
 | 478 m | 5°49'0.0" N | 20°46'59.9" E | 
| Oudjo : | 
 | 456 m | 4°32'60.0" N | 20°37'0.1" E | 
| Ouem : | 
 | 555 m | 6°40'0.0" N | 19°41'60.0" E | 
| Ouenguele (Ouenguélé) : | 
 | 532 m | 5°28'60.0" N | 21°15'0.0" E | 
| Ouga : | 
 | 552 m | 5°50'60.0" N | 21°34'0.1" E | 
| Ouimba : | 
 | 521 m | 6°5'60.0" N | 21°19'0.1" E | 
| Ouiya : | 
 | 444 m | 4°42'0.0" N | 20°28'0.1" E | 
| Ouli : | 
 | 454 m | 4°49'60.0" N | 21°18'0.0" E | 
| Oulou : | 
 | 447 m | 4°31'60.0" N | 20°43'59.9" E | 
| Oumba : | 
 | 472 m | 4°40'60.0" N | 20°28'0.1" E | 
| Ourou : | 
 | 455 m | 5°7'0.0" N | 20°43'0.1" E | 
| Ouroupande (Ouroupandé) : | 
 | 538 m | 5°25'60.0" N | 21°40'0.1" E | 
| Outagba : | 
 | 599 m | 5°47'60.0" N | 20°13'0.1" E | 
| Ouya : | 
 | 527 m | 6°12'0.0" N | 20°33'0.0" E | 
| Ouza : | 
 | 455 m | 4°32'60.0" N | 20°40'59.9" E | 
| Oyo : | 
 | 467 m | 5°48'42.0" N | 20°43'14.9" E | 
| Ozo : | 
 | 525 m | 6°1'60.0" N | 19°38'60.0" E | 
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