| Mels to Octeville | 537.66 mi (865.28 km) |
| Mels to Oignies | 375.81 mi (604.81 km) |
| Mels to Oissel | 414.57 mi (667.19 km) |
| Mels to Olivet | 355.46 mi (572.06 km) |
| Mels to Ollioules | 321.34 mi (517.15 km) |
| Mels to Olonne-sur-Mer | 530.04 mi (853.02 km) |
| Mels to Oloron-Sainte-Marie | 555.96 mi (894.72 km) |
| Mels to Onet Village | 377.66 mi (607.78 km) |
| Mels to Onnaing | 351.31 mi (565.37 km) |
| Mels to Orange | 300.03 mi (482.85 km) |
| Mels to Orchies | 367.25 mi (591.04 km) |
| Mels to Orleans | 355.38 mi (571.92 km) |
| Mels to Orly | 345.64 mi (556.25 km) |
| Mels to Ormesson-sur-Marne | 340.20 mi (547.50 km) |
| Mels to Orsay | 353.70 mi (569.23 km) |
