| Oosterwolde to Orbetello | 763.59 mi (1,228.88 km) |
| Oosterwolde to Oria | 1,013.70 mi (1,631.40 km) |
| Oosterwolde to Oristano | 910.53 mi (1,465.36 km) |
| Oosterwolde to Orta Nova | 917.36 mi (1,476.35 km) |
| Oosterwolde to Orte | 780.05 mi (1,255.38 km) |
| Oosterwolde to Ortona | 825.10 mi (1,327.87 km) |
| Oosterwolde to Orvieto | 758.65 mi (1,220.93 km) |
| Oosterwolde to Orzinuovi | 549.43 mi (884.22 km) |
| Oosterwolde to Osimo | 734.67 mi (1,182.34 km) |
| Oosterwolde to Ospitaletto | 541.06 mi (870.76 km) |
| Oosterwolde to Ostuni | 998.24 mi (1,606.52 km) |
| Oosterwolde to Ottaviano | 922.08 mi (1,483.95 km) |
| Oosterwolde to Ovada | 586.78 mi (944.34 km) |
| Oosterwolde to Ozieri | 866.51 mi (1,394.52 km) |
| Oosterwolde to Paceco | 1,079.27 mi (1,736.92 km) |
