| Regensburg to Opwijk | 375.66 mi (604.56 km) |
| Regensburg to Ostend | 433.34 mi (697.40 km) |
| Regensburg to Oud-Heverlee | 352.78 mi (567.74 km) |
| Regensburg to Oud-Turnhout | 351.92 mi (566.37 km) |
| Regensburg to Oudenaarde | 397.71 mi (640.05 km) |
| Regensburg to Oudenburg | 429.15 mi (690.65 km) |
| Regensburg to Oupeye | 309.61 mi (498.26 km) |
| Regensburg to Overijse | 357.29 mi (575.01 km) |
| Regensburg to Overpelt | 332.01 mi (534.31 km) |
| Regensburg to Paal | 336.89 mi (542.17 km) |
| Regensburg to Peer | 328.17 mi (528.13 km) |
| Regensburg to Pepinster | 299.21 mi (481.54 km) |
| Regensburg to Peruwelz | 392.99 mi (632.45 km) |
| Regensburg to Perwez | 342.34 mi (550.94 km) |
| Regensburg to Philippeville | 346.89 mi (558.26 km) |
