| San Martino Buon Albergo to Octeville | 660.78 mi (1,063.42 km) |
| San Martino Buon Albergo to Oignies | 511.94 mi (823.88 km) |
| San Martino Buon Albergo to Oissel | 540.49 mi (869.84 km) |
| San Martino Buon Albergo to Olivet | 467.64 mi (752.60 km) |
| San Martino Buon Albergo to Ollioules | 303.69 mi (488.74 km) |
| San Martino Buon Albergo to Olonne-sur-Mer | 622.22 mi (1,001.37 km) |
| San Martino Buon Albergo to Oloron-Sainte-Marie | 598.25 mi (962.79 km) |
| San Martino Buon Albergo to Onet Village | 422.46 mi (679.88 km) |
| San Martino Buon Albergo to Onnaing | 488.13 mi (785.57 km) |
| San Martino Buon Albergo to Orange | 320.81 mi (516.29 km) |
| San Martino Buon Albergo to Orchies | 503.79 mi (810.77 km) |
| San Martino Buon Albergo to Orleans | 468.10 mi (753.33 km) |
| San Martino Buon Albergo to Orly | 469.36 mi (755.37 km) |
| San Martino Buon Albergo to Ormesson-sur-Marne | 464.72 mi (747.89 km) |
| San Martino Buon Albergo to Orsay | 476.44 mi (766.76 km) |
