| Tarquinia to Oerlinghausen | 686.79 mi (1,105.27 km) |
| Tarquinia to Oestrich-Winkel | 564.74 mi (908.86 km) |
| Tarquinia to Offenburg | 467.81 mi (752.87 km) |
| Tarquinia to Oftersheim | 515.08 mi (828.94 km) |
| Tarquinia to Ohrdruf | 594.72 mi (957.11 km) |
| Tarquinia to Ohringen | 492.37 mi (792.39 km) |
| Tarquinia to Olbernhau | 586.38 mi (943.69 km) |
| Tarquinia to Olching | 411.71 mi (662.59 km) |
| Tarquinia to Oldenburg | 770.31 mi (1,239.70 km) |
| Tarquinia to Oldenburg in Holstein | 833.58 mi (1,341.52 km) |
| Tarquinia to Olfen | 685.52 mi (1,103.24 km) |
| Tarquinia to Olpe | 633.48 mi (1,019.49 km) |
| Tarquinia to Olsberg | 647.40 mi (1,041.90 km) |
| Tarquinia to Oranienburg | 729.08 mi (1,173.34 km) |
| Tarquinia to Ortenberg | 574.65 mi (924.81 km) |
