| Nantes to Oignies | 305.17 mi (491.12 km) |
| Nantes to Oissel | 190.54 mi (306.64 km) |
| Nantes to Olivet | 167.12 mi (268.96 km) |
| Nantes to Ollioules | 457.15 mi (735.71 km) |
| Nantes to Olonne-sur-Mer | 48.25 mi (77.66 km) |
| Nantes to Oloron-Sainte-Marie | 281.81 mi (453.52 km) |
| Nantes to Onet Village | 280.54 mi (451.49 km) |
| Nantes to Onnaing | 320.66 mi (516.05 km) |
| Nantes to Orange | 373.47 mi (601.04 km) |
| Nantes to Orchies | 313.25 mi (504.12 km) |
| Nantes to Orleans | 168.17 mi (270.65 km) |
| Nantes to Orly | 210.71 mi (339.10 km) |
| Nantes to Ormesson-sur-Marne | 217.91 mi (350.70 km) |
| Nantes to Orsay | 200.98 mi (323.45 km) |
| Nantes to Orthez | 260.50 mi (419.23 km) |
