| Osterhofen to Opwijk | 423.42 mi (681.43 km) |
| Osterhofen to Ostend | 481.11 mi (774.28 km) |
| Osterhofen to Oud-Heverlee | 400.53 mi (644.59 km) |
| Osterhofen to Oud-Turnhout | 399.69 mi (643.23 km) |
| Osterhofen to Oudenaarde | 445.36 mi (716.75 km) |
| Osterhofen to Oudenburg | 476.91 mi (767.51 km) |
| Osterhofen to Oupeye | 357.39 mi (575.17 km) |
| Osterhofen to Overijse | 405.01 mi (651.80 km) |
| Osterhofen to Overpelt | 379.76 mi (611.16 km) |
| Osterhofen to Paal | 384.70 mi (619.12 km) |
| Osterhofen to Peer | 375.95 mi (605.03 km) |
| Osterhofen to Pepinster | 346.96 mi (558.37 km) |
| Osterhofen to Peruwelz | 440.36 mi (708.70 km) |
| Osterhofen to Perwez | 389.99 mi (627.63 km) |
| Osterhofen to Philippeville | 394.03 mi (634.14 km) |
