| Cities | Distance |
|---|---|
| Tarquinia to Orbetello | 30.71 mi (49.43 km) |
| Tarquinia to Oria | 327.72 mi (527.42 km) |
| Tarquinia to Oristano | 231.01 mi (371.78 km) |
| Tarquinia to Orta Nova | 213.39 mi (343.41 km) |
| Tarquinia to Orte | 35.32 mi (56.84 km) |
| Tarquinia to Ortona | 135.29 mi (217.72 km) |
| Tarquinia to Orvieto | 37.10 mi (59.70 km) |
| Tarquinia to Orzinuovi | 235.88 mi (379.62 km) |
| Tarquinia to Osimo | 122.15 mi (196.58 km) |
| Tarquinia to Ospitaletto | 243.29 mi (391.54 km) |
| Tarquinia to Ostuni | 319.17 mi (513.66 km) |
| Tarquinia to Ottaviano | 170.71 mi (274.74 km) |
| Tarquinia to Ovada | 227.13 mi (365.53 km) |
| Tarquinia to Ozieri | 183.20 mi (294.83 km) |
| Tarquinia to Paceco | 297.71 mi (479.12 km) |