| San Giustino to Oegstgeest | 694.63 mi (1,117.90 km) |
| San Giustino to Oirschot | 635.64 mi (1,022.96 km) |
| San Giustino to Oisterwijk | 642.80 mi (1,034.49 km) |
| San Giustino to Oldebroek | 679.47 mi (1,093.50 km) |
| San Giustino to Oldenzaal | 652.23 mi (1,049.66 km) |
| San Giustino to Ommen | 673.87 mi (1,084.49 km) |
| San Giustino to Oosterend | 710.54 mi (1,143.50 km) |
| San Giustino to Oosterhout | 654.39 mi (1,053.14 km) |
| San Giustino to Oosterwolde | 705.72 mi (1,135.74 km) |
| San Giustino to Oostzaan | 699.65 mi (1,125.97 km) |
| San Giustino to Opmeer | 713.98 mi (1,149.04 km) |
| San Giustino to Oss | 646.33 mi (1,040.16 km) |
| San Giustino to Oud-Beijerland | 675.39 mi (1,086.94 km) |
| San Giustino to Oudenbosch | 659.51 mi (1,061.38 km) |
| San Giustino to Oudewater | 675.68 mi (1,087.39 km) |
