| Two Rivers to Octeville | 3,848.03 mi (6,192.80 km) |
| Two Rivers to Oignies | 3,994.41 mi (6,428.39 km) |
| Two Rivers to Oissel | 3,963.55 mi (6,378.72 km) |
| Two Rivers to Olivet | 4,049.26 mi (6,516.66 km) |
| Two Rivers to Ollioules | 4,392.64 mi (7,069.28 km) |
| Two Rivers to Olonne-sur-Mer | 3,952.29 mi (6,360.60 km) |
| Two Rivers to Oloron-Sainte-Marie | 4,125.39 mi (6,639.18 km) |
| Two Rivers to Onet Village | 4,211.45 mi (6,777.67 km) |
| Two Rivers to Onnaing | 4,019.92 mi (6,469.44 km) |
| Two Rivers to Orange | 4,309.92 mi (6,936.15 km) |
| Two Rivers to Orchies | 4,003.55 mi (6,443.09 km) |
| Two Rivers to Orleans | 4,048.15 mi (6,514.86 km) |
| Two Rivers to Orly | 4,035.43 mi (6,494.40 km) |
| Two Rivers to Ormesson-sur-Marne | 4,039.45 mi (6,500.87 km) |
| Two Rivers to Orsay | 4,029.25 mi (6,484.45 km) |
