| Valenciennes to Oria | 962.34 mi (1,548.74 km) |
| Valenciennes to Oristano | 762.81 mi (1,227.62 km) |
| Valenciennes to Orta Nova | 854.12 mi (1,374.57 km) |
| Valenciennes to Orte | 688.94 mi (1,108.74 km) |
| Valenciennes to Ortona | 756.89 mi (1,218.09 km) |
| Valenciennes to Orvieto | 666.30 mi (1,072.31 km) |
| Valenciennes to Orzinuovi | 453.08 mi (729.16 km) |
| Valenciennes to Osimo | 667.14 mi (1,073.66 km) |
| Valenciennes to Ospitaletto | 449.07 mi (722.71 km) |
| Valenciennes to Ostuni | 948.39 mi (1,526.28 km) |
| Valenciennes to Ottaviano | 841.94 mi (1,354.97 km) |
| Valenciennes to Ovada | 461.61 mi (742.89 km) |
| Valenciennes to Ozieri | 725.09 mi (1,166.91 km) |
| Valenciennes to Paceco | 963.32 mi (1,550.31 km) |
| Valenciennes to Pachino | 1,103.69 mi (1,776.22 km) |
