| Cernay to Oignies | 263.71 mi (424.39 km) |
| Cernay to Oissel | 297.58 mi (478.91 km) |
| Cernay to Olivet | 244.65 mi (393.72 km) |
| Cernay to Ollioules | 328.83 mi (529.20 km) |
| Cernay to Olonne-sur-Mer | 429.12 mi (690.61 km) |
| Cernay to Oloron-Sainte-Marie | 493.14 mi (793.63 km) |
| Cernay to Onet Village | 323.53 mi (520.67 km) |
| Cernay to Onnaing | 240.78 mi (387.50 km) |
| Cernay to Orange | 277.73 mi (446.96 km) |
| Cernay to Orchies | 255.98 mi (411.97 km) |
| Cernay to Orleans | 244.22 mi (393.04 km) |
| Cernay to Orly | 229.24 mi (368.92 km) |
| Cernay to Ormesson-sur-Marne | 223.60 mi (359.85 km) |
| Cernay to Orsay | 237.56 mi (382.32 km) |
| Cernay to Orthez | 485.75 mi (781.73 km) |
