| Country | Starts | Place | Ends | Population | % Correct |
|---|---|---|---|---|---|
| Japan | O | Osaka | A | 2.6m | 98%
|
| USA (OK) | O | Oklahoma City | Y | 631k | 96%
|
| Burkina Faso | O | Ouagadougou | U | 1.1m | 89%
|
| USA (CA) | O | Oakland | D | 419k | 84%
|
| Russia | O | Omsk | K | 1.1m | 78%
|
| Russia | O | Ob | B | 25k | 40%
|
| UK (England) | O | Oldham | M | 105k | 38%
|
| Sudan | O | Omdurman | N | 1.1m | 33%
|
| Russia | O | Orenburg | G | 550k | 31%
|
| Nigeria | O | Oyo | O | 736k | 22%
|
| Russia | O | Orel | L | 324k | 16%
|
| USA (WA) | O | Oak Harbor | R | 33k | 4%
|
| USA (DE) | O | Ocean View | W | 12k | 4%
|
| China | O | Ordos | S | 1.9m | 4%
|
| Iran | O | Orumiyeh | H | 577k | 4%
|
| Haiti | O | Okap | P | 135k | 2%
|
| Japan | O | Okazaki | I | 352k | 2%
|
| Uzbekistan | O | Olmaliq | Q | 121k | 2%
|
| Philippines | O | Ormoc | C | 191k | 2%
|
| Morocco | O | Ouarzazat | T | 57k | 2%
|
| France | O | Oyonnax | X | 34k | 2%
|
| Nigeria | O | Okene | E | 479k | 0%
|
| Mongolia | O | Olgij | J | 29k | 0%
|
| Russia | O | Ostrov | V | 25k | 0%
|
| Brazil | O | Osvaldo Cruz | Z | 33k | 0%
|
| Tunisia | O | Oudhref | F | 10k | 0%
|