| Wiesmoor to Oria | 1,004.02 mi (1,615.82 km) |
| Wiesmoor to Oristano | 933.23 mi (1,501.89 km) |
| Wiesmoor to Orta Nova | 912.32 mi (1,468.23 km) |
| Wiesmoor to Orte | 785.52 mi (1,264.18 km) |
| Wiesmoor to Ortona | 822.75 mi (1,324.09 km) |
| Wiesmoor to Orvieto | 764.84 mi (1,230.89 km) |
| Wiesmoor to Orzinuovi | 561.46 mi (903.58 km) |
| Wiesmoor to Osimo | 733.52 mi (1,180.49 km) |
| Wiesmoor to Ospitaletto | 552.02 mi (888.39 km) |
| Wiesmoor to Ostuni | 988.25 mi (1,590.43 km) |
| Wiesmoor to Ottaviano | 922.25 mi (1,484.22 km) |
| Wiesmoor to Ovada | 606.71 mi (976.41 km) |
| Wiesmoor to Ozieri | 887.42 mi (1,428.17 km) |
| Wiesmoor to Paceco | 1,089.63 mi (1,753.59 km) |
| Wiesmoor to Pachino | 1,205.91 mi (1,940.73 km) |
