| Mahon to Octeville | 731.99 mi (1,178.03 km) |
| Mahon to Oignies | 733.58 mi (1,180.58 km) |
| Mahon to Oissel | 671.32 mi (1,080.39 km) |
| Mahon to Olivet | 563.34 mi (906.61 km) |
| Mahon to Ollioules | 239.00 mi (384.64 km) |
| Mahon to Olonne-sur-Mer | 550.37 mi (885.73 km) |
| Mahon to Oloron-Sainte-Marie | 339.87 mi (546.97 km) |
| Mahon to Onet Village | 320.88 mi (516.41 km) |
| Mahon to Onnaing | 726.09 mi (1,168.52 km) |
| Mahon to Orange | 294.90 mi (474.60 km) |
| Mahon to Orchies | 733.04 mi (1,179.71 km) |
| Mahon to Orleans | 565.86 mi (910.66 km) |
| Mahon to Orly | 618.69 mi (995.68 km) |
| Mahon to Ormesson-sur-Marne | 620.52 mi (998.64 km) |
| Mahon to Orsay | 617.16 mi (993.23 km) |
