| River Edge to Octeville | 3,432.33 mi (5,523.80 km) |
| River Edge to Oignies | 3,605.31 mi (5,802.19 km) |
| River Edge to Oissel | 3,554.37 mi (5,720.21 km) |
| River Edge to Olivet | 3,626.52 mi (5,836.32 km) |
| River Edge to Ollioules | 3,937.76 mi (6,337.21 km) |
| River Edge to Olonne-sur-Mer | 3,500.96 mi (5,634.25 km) |
| River Edge to Oloron-Sainte-Marie | 3,643.83 mi (5,864.17 km) |
| River Edge to Onet Village | 3,754.68 mi (6,042.57 km) |
| River Edge to Onnaing | 3,632.13 mi (5,845.35 km) |
| River Edge to Orange | 3,860.24 mi (6,212.45 km) |
| River Edge to Orchies | 3,615.44 mi (5,818.49 km) |
| River Edge to Orleans | 3,625.86 mi (5,835.26 km) |
| River Edge to Orly | 3,624.37 mi (5,832.86 km) |
| River Edge to Ormesson-sur-Marne | 3,629.41 mi (5,840.97 km) |
| River Edge to Orsay | 3,616.89 mi (5,820.82 km) |
