| Vetralla to Octeville | 828.40 mi (1,333.18 km) |
| Vetralla to Oignies | 709.70 mi (1,142.15 km) |
| Vetralla to Oissel | 716.92 mi (1,153.77 km) |
| Vetralla to Olivet | 626.63 mi (1,008.46 km) |
| Vetralla to Ollioules | 321.40 mi (517.24 km) |
| Vetralla to Olonne-sur-Mer | 741.97 mi (1,194.08 km) |
| Vetralla to Oloron-Sainte-Marie | 645.88 mi (1,039.44 km) |
| Vetralla to Onet Village | 497.04 mi (799.91 km) |
| Vetralla to Onnaing | 688.29 mi (1,107.69 km) |
| Vetralla to Orange | 387.01 mi (622.83 km) |
| Vetralla to Orchies | 702.84 mi (1,131.11 km) |
| Vetralla to Orleans | 627.80 mi (1,010.35 km) |
| Vetralla to Orly | 645.13 mi (1,038.24 km) |
| Vetralla to Ormesson-sur-Marne | 641.95 mi (1,033.12 km) |
| Vetralla to Orsay | 650.35 mi (1,046.63 km) |
