| Tarquinia to Noventa Vicentina | 209.93 mi (337.85 km) |
| Tarquinia to Novi di Modena | 187.64 mi (301.98 km) |
| Tarquinia to Novi Ligure | 228.52 mi (367.77 km) |
| Tarquinia to Nuoro | 183.43 mi (295.20 km) |
| Tarquinia to Occhiobello | 184.85 mi (297.49 km) |
| Tarquinia to Oderzo | 246.74 mi (397.09 km) |
| Tarquinia to Oggiono | 271.85 mi (437.49 km) |
| Tarquinia to Olbia | 148.56 mi (239.08 km) |
| Tarquinia to Oleggio | 278.79 mi (448.66 km) |
| Tarquinia to Olgiate Comasco | 280.73 mi (451.79 km) |
| Tarquinia to Olgiate Olona | 274.00 mi (440.95 km) |
| Tarquinia to Omegna | 300.79 mi (484.08 km) |
| Tarquinia to Opera | 250.81 mi (403.63 km) |
| Tarquinia to Oppeano | 212.72 mi (342.33 km) |
| Tarquinia to Orbassano | 284.25 mi (457.46 km) |
