| Sever do Vouga to Octeville | 695.62 mi (1,119.50 km) |
| Sever do Vouga to Oignies | 866.36 mi (1,394.28 km) |
| Sever do Vouga to Oissel | 751.78 mi (1,209.88 km) |
| Sever do Vouga to Olivet | 706.32 mi (1,136.72 km) |
| Sever do Vouga to Ollioules | 748.23 mi (1,204.15 km) |
| Sever do Vouga to Olonne-sur-Mer | 518.72 mi (834.80 km) |
| Sever do Vouga to Oloron-Sainte-Marie | 433.20 mi (697.16 km) |
| Sever do Vouga to Onet Village | 611.08 mi (983.44 km) |
| Sever do Vouga to Onnaing | 880.96 mi (1,417.78 km) |
| Sever do Vouga to Orange | 710.94 mi (1,144.14 km) |
| Sever do Vouga to Orchies | 874.26 mi (1,406.99 km) |
| Sever do Vouga to Orleans | 708.35 mi (1,139.98 km) |
| Sever do Vouga to Orly | 763.54 mi (1,228.79 km) |
| Sever do Vouga to Ormesson-sur-Marne | 770.39 mi (1,239.82 km) |
| Sever do Vouga to Orsay | 754.51 mi (1,214.27 km) |
