| Saint-Sebastien-sur-Loire to Octeville | 167.25 mi (269.16 km) |
| Saint-Sebastien-sur-Loire to Oignies | 304.12 mi (489.43 km) |
| Saint-Sebastien-sur-Loire to Oissel | 189.59 mi (305.11 km) |
| Saint-Sebastien-sur-Loire to Olivet | 165.02 mi (265.57 km) |
| Saint-Sebastien-sur-Loire to Ollioules | 454.79 mi (731.91 km) |
| Saint-Sebastien-sur-Loire to Olonne-sur-Mer | 48.17 mi (77.52 km) |
| Saint-Sebastien-sur-Loire to Oloron-Sainte-Marie | 280.73 mi (451.79 km) |
| Saint-Sebastien-sur-Loire to Onet Village | 278.31 mi (447.90 km) |
| Saint-Sebastien-sur-Loire to Onnaing | 319.45 mi (514.10 km) |
| Saint-Sebastien-sur-Loire to Orange | 371.06 mi (597.16 km) |
| Saint-Sebastien-sur-Loire to Orchies | 312.14 mi (502.34 km) |
| Saint-Sebastien-sur-Loire to Orleans | 166.09 mi (267.29 km) |
| Saint-Sebastien-sur-Loire to Orly | 209.02 mi (336.38 km) |
| Saint-Sebastien-sur-Loire to Ormesson-sur-Marne | 216.22 mi (347.97 km) |
| Saint-Sebastien-sur-Loire to Orsay | 199.31 mi (320.76 km) |
