| Saint-Hilaire-de-Riez to Octeville | 201.25 mi (323.89 km) |
| Saint-Hilaire-de-Riez to Oignies | 343.37 mi (552.60 km) |
| Saint-Hilaire-de-Riez to Oissel | 229.04 mi (368.61 km) |
| Saint-Hilaire-de-Riez to Olivet | 196.75 mi (316.64 km) |
| Saint-Hilaire-de-Riez to Ollioules | 454.13 mi (730.86 km) |
| Saint-Hilaire-de-Riez to Olonne-sur-Mer | 15.19 mi (24.44 km) |
| Saint-Hilaire-de-Riez to Oloron-Sainte-Marie | 252.31 mi (406.06 km) |
| Saint-Hilaire-de-Riez to Onet Village | 273.30 mi (439.84 km) |
| Saint-Hilaire-de-Riez to Onnaing | 358.23 mi (576.51 km) |
| Saint-Hilaire-de-Riez to Orange | 372.83 mi (600.01 km) |
| Saint-Hilaire-de-Riez to Orchies | 351.25 mi (565.29 km) |
| Saint-Hilaire-de-Riez to Orleans | 198.13 mi (318.87 km) |
| Saint-Hilaire-de-Riez to Orly | 245.26 mi (394.70 km) |
| Saint-Hilaire-de-Riez to Ormesson-sur-Marne | 252.39 mi (406.19 km) |
| Saint-Hilaire-de-Riez to Orsay | 235.71 mi (379.33 km) |
