| Plainview to Octeville | 3,414.21 mi (5,494.64 km) |
| Plainview to Oignies | 3,588.24 mi (5,774.71 km) |
| Plainview to Oissel | 3,536.44 mi (5,691.36 km) |
| Plainview to Olivet | 3,607.93 mi (5,806.40 km) |
| Plainview to Ollioules | 3,917.54 mi (6,304.67 km) |
| Plainview to Olonne-sur-Mer | 3,481.18 mi (5,602.43 km) |
| Plainview to Oloron-Sainte-Marie | 3,622.61 mi (5,830.02 km) |
| Plainview to Onet Village | 3,734.49 mi (6,010.07 km) |
| Plainview to Onnaing | 3,615.09 mi (5,817.93 km) |
| Plainview to Orange | 3,840.29 mi (6,180.35 km) |
| Plainview to Orchies | 3,598.40 mi (5,791.07 km) |
| Plainview to Orleans | 3,607.29 mi (5,805.37 km) |
| Plainview to Orly | 3,606.30 mi (5,803.78 km) |
| Plainview to Ormesson-sur-Marne | 3,611.39 mi (5,811.96 km) |
| Plainview to Orsay | 3,598.77 mi (5,791.65 km) |
