| North Valley Stream to Octeville | 3,428.17 mi (5,517.11 km) |
| North Valley Stream to Oignies | 3,602.12 mi (5,797.05 km) |
| North Valley Stream to Oissel | 3,550.39 mi (5,713.81 km) |
| North Valley Stream to Olivet | 3,621.92 mi (5,828.92 km) |
| North Valley Stream to Ollioules | 3,931.59 mi (6,327.28 km) |
| North Valley Stream to Olonne-sur-Mer | 3,495.23 mi (5,625.03 km) |
| North Valley Stream to Oloron-Sainte-Marie | 3,636.67 mi (5,852.65 km) |
| North Valley Stream to Onet Village | 3,748.54 mi (6,032.69 km) |
| North Valley Stream to Onnaing | 3,628.98 mi (5,840.27 km) |
| North Valley Stream to Orange | 3,854.34 mi (6,202.96 km) |
| North Valley Stream to Orchies | 3,612.28 mi (5,813.41 km) |
| North Valley Stream to Orleans | 3,621.28 mi (5,827.89 km) |
| North Valley Stream to Orly | 3,620.26 mi (5,826.24 km) |
| North Valley Stream to Ormesson-sur-Marne | 3,625.34 mi (5,834.43 km) |
| North Valley Stream to Orsay | 3,612.73 mi (5,814.13 km) |
