| Gioia Tauro to Octeville | 1,159.98 mi (1,866.80 km) |
| Gioia Tauro to Oignies | 1,044.09 mi (1,680.31 km) |
| Gioia Tauro to Oissel | 1,050.80 mi (1,691.09 km) |
| Gioia Tauro to Olivet | 957.77 mi (1,541.39 km) |
| Gioia Tauro to Ollioules | 617.67 mi (994.04 km) |
| Gioia Tauro to Olonne-sur-Mer | 1,056.70 mi (1,700.59 km) |
| Gioia Tauro to Oloron-Sainte-Marie | 921.78 mi (1,483.46 km) |
| Gioia Tauro to Onet Village | 800.79 mi (1,288.74 km) |
| Gioia Tauro to Onnaing | 1,022.25 mi (1,645.16 km) |
| Gioia Tauro to Orange | 696.82 mi (1,121.42 km) |
| Gioia Tauro to Orchies | 1,037.03 mi (1,668.93 km) |
| Gioia Tauro to Orleans | 959.10 mi (1,543.52 km) |
| Gioia Tauro to Orly | 979.20 mi (1,575.87 km) |
| Gioia Tauro to Ormesson-sur-Marne | 976.20 mi (1,571.04 km) |
| Gioia Tauro to Orsay | 984.14 mi (1,583.82 km) |
