| Tarquinia to Octeville | 819.13 mi (1,318.27 km) |
| Tarquinia to Oignies | 704.04 mi (1,133.05 km) |
| Tarquinia to Oissel | 708.73 mi (1,140.59 km) |
| Tarquinia to Olivet | 617.13 mi (993.18 km) |
| Tarquinia to Ollioules | 306.25 mi (492.86 km) |
| Tarquinia to Olonne-sur-Mer | 729.42 mi (1,173.89 km) |
| Tarquinia to Oloron-Sainte-Marie | 630.34 mi (1,014.43 km) |
| Tarquinia to Onet Village | 483.01 mi (777.33 km) |
| Tarquinia to Onnaing | 683.03 mi (1,099.23 km) |
| Tarquinia to Orange | 373.31 mi (600.78 km) |
| Tarquinia to Orchies | 697.38 mi (1,122.33 km) |
| Tarquinia to Orleans | 618.36 mi (995.16 km) |
| Tarquinia to Orly | 637.08 mi (1,025.28 km) |
| Tarquinia to Ormesson-sur-Marne | 634.05 mi (1,020.40 km) |
| Tarquinia to Orsay | 642.09 mi (1,033.35 km) |
