| West Carrollton to Octeville | 3,910.79 mi (6,293.82 km) |
| West Carrollton to Oignies | 4,072.59 mi (6,554.20 km) |
| West Carrollton to Oissel | 4,030.49 mi (6,486.44 km) |
| West Carrollton to Olivet | 4,108.87 mi (6,612.58 km) |
| West Carrollton to Ollioules | 4,434.57 mi (7,136.75 km) |
| West Carrollton to Olonne-sur-Mer | 3,994.82 mi (6,429.03 km) |
| West Carrollton to Oloron-Sainte-Marie | 4,150.01 mi (6,678.79 km) |
| West Carrollton to Onet Village | 4,251.64 mi (6,842.35 km) |
| West Carrollton to Onnaing | 4,098.93 mi (6,596.58 km) |
| West Carrollton to Orange | 4,354.71 mi (7,008.23 km) |
| West Carrollton to Orchies | 4,082.31 mi (6,569.84 km) |
| West Carrollton to Orleans | 4,108.01 mi (6,611.20 km) |
| West Carrollton to Orly | 4,101.61 mi (6,600.91 km) |
| West Carrollton to Ormesson-sur-Marne | 4,106.22 mi (6,608.33 km) |
| West Carrollton to Orsay | 4,094.67 mi (6,589.74 km) |
