| Sion to Octeville | 478.04 mi (769.33 km) |
| Sion to Oignies | 354.79 mi (570.98 km) |
| Sion to Oissel | 361.74 mi (582.16 km) |
| Sion to Olivet | 280.84 mi (451.96 km) |
| Sion to Ollioules | 226.42 mi (364.38 km) |
| Sion to Olonne-sur-Mer | 435.86 mi (701.45 km) |
| Sion to Oloron-Sainte-Marie | 443.95 mi (714.47 km) |
| Sion to Onet Village | 265.39 mi (427.10 km) |
| Sion to Onnaing | 335.14 mi (539.36 km) |
| Sion to Orange | 190.92 mi (307.25 km) |
| Sion to Orchies | 348.74 mi (561.24 km) |
| Sion to Orleans | 281.47 mi (452.98 km) |
| Sion to Orly | 289.76 mi (466.33 km) |
| Sion to Ormesson-sur-Marne | 286.06 mi (460.36 km) |
| Sion to Orsay | 295.74 mi (475.95 km) |
