| Garching an der Alz to Oegstgeest | 455.70 mi (733.38 km) |
| Garching an der Alz to Oirschot | 399.84 mi (643.47 km) |
| Garching an der Alz to Oisterwijk | 406.58 mi (654.32 km) |
| Garching an der Alz to Oldebroek | 420.03 mi (675.97 km) |
| Garching an der Alz to Oldenzaal | 382.66 mi (615.84 km) |
| Garching an der Alz to Ommen | 407.68 mi (656.10 km) |
| Garching an der Alz to Oosterend | 442.16 mi (711.59 km) |
| Garching an der Alz to Oosterhout | 421.19 mi (677.85 km) |
| Garching an der Alz to Oosterwolde | 435.18 mi (700.36 km) |
| Garching an der Alz to Oostzaan | 451.85 mi (727.18 km) |
| Garching an der Alz to Opmeer | 461.34 mi (742.46 km) |
| Garching an der Alz to Oss | 402.60 mi (647.93 km) |
| Garching an der Alz to Oud-Beijerland | 444.13 mi (714.76 km) |
| Garching an der Alz to Oudenbosch | 431.44 mi (694.33 km) |
| Garching an der Alz to Oudewater | 435.19 mi (700.38 km) |
