| Trapani to Oberkirch | 759.66 mi (1,222.55 km) |
| Trapani to Obernburg am Main | 833.70 mi (1,341.71 km) |
| Trapani to Obernkirchen | 998.04 mi (1,606.19 km) |
| Trapani to Oberschleissheim | 708.60 mi (1,140.38 km) |
| Trapani to Oberstdorf | 658.71 mi (1,060.09 km) |
| Trapani to Obertraubling | 756.65 mi (1,217.72 km) |
| Trapani to Obertshausen | 852.08 mi (1,371.30 km) |
| Trapani to Oberursel | 864.00 mi (1,390.48 km) |
| Trapani to Ochsenfurt | 812.82 mi (1,308.11 km) |
| Trapani to Ochsenhausen | 706.59 mi (1,137.14 km) |
| Trapani to Ochtrup | 1,013.40 mi (1,630.92 km) |
| Trapani to Odenthal | 937.15 mi (1,508.19 km) |
| Trapani to Oelde | 977.71 mi (1,573.48 km) |
| Trapani to Oelsnitz | 856.87 mi (1,379.00 km) |
| Trapani to Oer-Erkenschwick | 975.43 mi (1,569.80 km) |
