| Trevignano to Octeville | 692.04 mi (1,113.74 km) |
| Trevignano to Oignies | 531.70 mi (855.69 km) |
| Trevignano to Oissel | 569.84 mi (917.06 km) |
| Trevignano to Olivet | 503.66 mi (810.57 km) |
| Trevignano to Ollioules | 356.37 mi (573.53 km) |
| Trevignano to Olonne-sur-Mer | 665.38 mi (1,070.82 km) |
| Trevignano to Oloron-Sainte-Marie | 649.60 mi (1,045.43 km) |
| Trevignano to Onet Village | 472.98 mi (761.19 km) |
| Trevignano to Onnaing | 506.73 mi (815.51 km) |
| Trevignano to Orange | 372.78 mi (599.94 km) |
| Trevignano to Orchies | 522.88 mi (841.50 km) |
| Trevignano to Orleans | 503.90 mi (810.95 km) |
| Trevignano to Orly | 499.89 mi (804.49 km) |
| Trevignano to Ormesson-sur-Marne | 494.76 mi (796.25 km) |
| Trevignano to Orsay | 507.54 mi (816.81 km) |
