| Westchester to Octeville | 4,391.94 mi (7,068.14 km) |
| Westchester to Oignies | 4,582.92 mi (7,375.50 km) |
| Westchester to Oissel | 4,516.21 mi (7,268.13 km) |
| Westchester to Olivet | 4,573.79 mi (7,360.80 km) |
| Westchester to Ollioules | 4,842.51 mi (7,793.27 km) |
| Westchester to Olonne-sur-Mer | 4,423.71 mi (7,119.27 km) |
| Westchester to Oloron-Sainte-Marie | 4,527.61 mi (7,286.49 km) |
| Westchester to Onet Village | 4,663.19 mi (7,504.69 km) |
| Westchester to Onnaing | 4,610.12 mi (7,419.27 km) |
| Westchester to Orange | 4,773.11 mi (7,681.58 km) |
| Westchester to Orchies | 4,593.60 mi (7,392.69 km) |
| Westchester to Orleans | 4,573.58 mi (7,360.47 km) |
| Westchester to Orly | 4,582.49 mi (7,374.81 km) |
| Westchester to Ormesson-sur-Marne | 4,588.32 mi (7,384.19 km) |
| Westchester to Orsay | 4,574.05 mi (7,361.23 km) |
