| Ospitaletto to Oegstgeest | 523.70 mi (842.81 km) |
| Ospitaletto to Oirschot | 464.96 mi (748.28 km) |
| Ospitaletto to Oisterwijk | 472.09 mi (759.76 km) |
| Ospitaletto to Oldebroek | 512.34 mi (824.53 km) |
| Ospitaletto to Oldenzaal | 488.30 mi (785.84 km) |
| Ospitaletto to Ommen | 508.53 mi (818.41 km) |
| Ospitaletto to Oosterend | 545.18 mi (877.38 km) |
| Ospitaletto to Oosterhout | 483.17 mi (777.59 km) |
| Ospitaletto to Oosterwolde | 541.06 mi (870.76 km) |
| Ospitaletto to Oostzaan | 529.95 mi (852.87 km) |
| Ospitaletto to Opmeer | 544.96 mi (877.03 km) |
| Ospitaletto to Oss | 476.66 mi (767.11 km) |
| Ospitaletto to Oud-Beijerland | 503.76 mi (810.72 km) |
| Ospitaletto to Oudenbosch | 487.70 mi (784.88 km) |
| Ospitaletto to Oudewater | 505.15 mi (812.96 km) |
