| Oosterzele to Oestrich-Winkel | 195.97 mi (315.38 km) |
| Oosterzele to Offenburg | 252.01 mi (405.57 km) |
| Oosterzele to Oftersheim | 238.19 mi (383.33 km) |
| Oosterzele to Ohrdruf | 302.18 mi (486.31 km) |
| Oosterzele to Ohringen | 280.09 mi (450.75 km) |
| Oosterzele to Olbernhau | 416.40 mi (670.14 km) |
| Oosterzele to Olching | 386.41 mi (621.87 km) |
| Oosterzele to Oldenburg | 241.08 mi (387.98 km) |
| Oosterzele to Oldenburg in Holstein | 376.31 mi (605.61 km) |
| Oosterzele to Olfen | 163.48 mi (263.10 km) |
| Oosterzele to Olpe | 175.48 mi (282.40 km) |
| Oosterzele to Olsberg | 204.82 mi (329.62 km) |
| Oosterzele to Oranienburg | 421.24 mi (677.93 km) |
| Oosterzele to Ortenberg | 233.79 mi (376.26 km) |
| Oosterzele to Oschatz | 404.05 mi (650.26 km) |
