| Donauworth to Opwijk | 333.72 mi (537.06 km) |
| Donauworth to Ostend | 391.06 mi (629.34 km) |
| Donauworth to Oud-Heverlee | 310.74 mi (500.09 km) |
| Donauworth to Oud-Turnhout | 315.13 mi (507.15 km) |
| Donauworth to Oudenaarde | 353.74 mi (569.30 km) |
| Donauworth to Oudenburg | 386.69 mi (622.31 km) |
| Donauworth to Oupeye | 268.90 mi (432.75 km) |
| Donauworth to Overijse | 314.52 mi (506.17 km) |
| Donauworth to Overpelt | 295.68 mi (475.84 km) |
| Donauworth to Paal | 298.07 mi (479.69 km) |
| Donauworth to Peer | 291.14 mi (468.54 km) |
| Donauworth to Pepinster | 257.54 mi (414.46 km) |
| Donauworth to Peruwelz | 346.46 mi (557.57 km) |
| Donauworth to Perwez | 298.75 mi (480.79 km) |
| Donauworth to Philippeville | 299.15 mi (481.43 km) |
