| Trofarello to Oberkirch | 245.84 mi (395.64 km) |
| Trofarello to Obernburg am Main | 341.95 mi (550.31 km) |
| Trofarello to Obernkirchen | 507.14 mi (816.17 km) |
| Trofarello to Oberschleissheim | 289.82 mi (466.42 km) |
| Trofarello to Oberstdorf | 207.17 mi (333.41 km) |
| Trofarello to Obertraubling | 345.42 mi (555.90 km) |
| Trofarello to Obertshausen | 354.95 mi (571.23 km) |
| Trofarello to Oberursel | 362.80 mi (583.86 km) |
| Trofarello to Ochsenfurt | 340.41 mi (547.84 km) |
| Trofarello to Ochsenhausen | 237.95 mi (382.95 km) |
| Trofarello to Ochtrup | 499.63 mi (804.07 km) |
| Trofarello to Odenthal | 418.98 mi (674.28 km) |
| Trofarello to Oelde | 473.67 mi (762.30 km) |
| Trofarello to Oelsnitz | 428.11 mi (688.97 km) |
| Trofarello to Oer-Erkenschwick | 460.62 mi (741.29 km) |
