| Dourdan to Oignies | 141.13 mi (227.12 km) |
| Dourdan to Oissel | 69.98 mi (112.61 km) |
| Dourdan to Olivet | 46.23 mi (74.39 km) |
| Dourdan to Ollioules | 415.52 mi (668.71 km) |
| Dourdan to Olonne-sur-Mer | 223.81 mi (360.19 km) |
| Dourdan to Oloron-Sainte-Marie | 389.45 mi (626.76 km) |
| Dourdan to Onet Village | 288.99 mi (465.08 km) |
| Dourdan to Onnaing | 146.89 mi (236.39 km) |
| Dourdan to Orange | 331.39 mi (533.32 km) |
| Dourdan to Orchies | 145.38 mi (233.97 km) |
| Dourdan to Orleans | 43.53 mi (70.06 km) |
| Dourdan to Orly | 22.91 mi (36.87 km) |
| Dourdan to Ormesson-sur-Marne | 29.91 mi (48.14 km) |
| Dourdan to Orsay | 14.21 mi (22.86 km) |
| Dourdan to Orthez | 372.92 mi (600.16 km) |
