| Trapani to Octeville | 1,064.85 mi (1,713.71 km) |
| Trapani to Oignies | 979.11 mi (1,575.72 km) |
| Trapani to Oissel | 966.21 mi (1,554.97 km) |
| Trapani to Olivet | 864.95 mi (1,392.00 km) |
| Trapani to Ollioules | 497.36 mi (800.42 km) |
| Trapani to Olonne-sur-Mer | 935.56 mi (1,505.63 km) |
| Trapani to Oloron-Sainte-Marie | 774.46 mi (1,246.38 km) |
| Trapani to Onet Village | 676.23 mi (1,088.29 km) |
| Trapani to Onnaing | 960.46 mi (1,545.71 km) |
| Trapani to Orange | 582.49 mi (937.44 km) |
| Trapani to Orchies | 973.63 mi (1,566.90 km) |
| Trapani to Orleans | 866.67 mi (1,394.77 km) |
| Trapani to Orly | 896.96 mi (1,443.52 km) |
| Trapani to Ormesson-sur-Marne | 895.19 mi (1,440.67 km) |
| Trapani to Orsay | 900.30 mi (1,448.89 km) |
