| San Sebastiano al Vesuvio to Oegstgeest | 912.79 mi (1,468.99 km) |
| San Sebastiano al Vesuvio to Oirschot | 853.74 mi (1,373.96 km) |
| San Sebastiano al Vesuvio to Oisterwijk | 860.91 mi (1,385.51 km) |
| San Sebastiano al Vesuvio to Oldebroek | 896.08 mi (1,442.10 km) |
| San Sebastiano al Vesuvio to Oldenzaal | 867.33 mi (1,395.83 km) |
| San Sebastiano al Vesuvio to Ommen | 889.61 mi (1,431.69 km) |
| San Sebastiano al Vesuvio to Oosterend | 926.19 mi (1,490.56 km) |
| San Sebastiano al Vesuvio to Oosterhout | 872.64 mi (1,404.38 km) |
| San Sebastiano al Vesuvio to Oosterwolde | 921.02 mi (1,482.23 km) |
| San Sebastiano al Vesuvio to Oostzaan | 917.36 mi (1,476.34 km) |
| San Sebastiano al Vesuvio to Opmeer | 931.40 mi (1,498.94 km) |
| San Sebastiano al Vesuvio to Oss | 864.08 mi (1,390.59 km) |
| San Sebastiano al Vesuvio to Oud-Beijerland | 893.74 mi (1,438.33 km) |
| San Sebastiano al Vesuvio to Oudenbosch | 877.89 mi (1,412.83 km) |
| San Sebastiano al Vesuvio to Oudewater | 893.71 mi (1,438.29 km) |
