| Garching an der Alz to Opwijk | 424.63 mi (683.38 km) |
| Garching an der Alz to Ostend | 482.06 mi (775.80 km) |
| Garching an der Alz to Oud-Heverlee | 401.64 mi (646.38 km) |
| Garching an der Alz to Oud-Turnhout | 404.85 mi (651.54 km) |
| Garching an der Alz to Oudenaarde | 444.88 mi (715.96 km) |
| Garching an der Alz to Oudenburg | 477.71 mi (768.80 km) |
| Garching an der Alz to Oupeye | 359.50 mi (578.56 km) |
| Garching an der Alz to Overijse | 405.53 mi (652.63 km) |
| Garching an der Alz to Overpelt | 385.20 mi (619.92 km) |
| Garching an der Alz to Paal | 388.31 mi (624.92 km) |
| Garching an der Alz to Peer | 380.87 mi (612.95 km) |
| Garching an der Alz to Pepinster | 348.30 mi (560.53 km) |
| Garching an der Alz to Peruwelz | 437.61 mi (704.26 km) |
| Garching an der Alz to Perwez | 389.82 mi (627.36 km) |
| Garching an der Alz to Philippeville | 390.23 mi (628.02 km) |
