| San Martin de Valdeiglesias to Nuth | 880.46 mi (1,416.96 km) |
| San Martin de Valdeiglesias to Oegstgeest | 918.33 mi (1,477.91 km) |
| San Martin de Valdeiglesias to Oirschot | 897.88 mi (1,445.00 km) |
| San Martin de Valdeiglesias to Oisterwijk | 900.18 mi (1,448.70 km) |
| San Martin de Valdeiglesias to Oldebroek | 966.42 mi (1,555.31 km) |
| San Martin de Valdeiglesias to Oldenzaal | 984.51 mi (1,584.42 km) |
| San Martin de Valdeiglesias to Ommen | 982.66 mi (1,581.43 km) |
| San Martin de Valdeiglesias to Oosterend | 1,002.05 mi (1,612.64 km) |
| San Martin de Valdeiglesias to Oosterhout | 895.45 mi (1,441.08 km) |
| San Martin de Valdeiglesias to Oosterwolde | 1,006.50 mi (1,619.80 km) |
| San Martin de Valdeiglesias to Oostzaan | 942.21 mi (1,516.34 km) |
| San Martin de Valdeiglesias to Opmeer | 959.42 mi (1,544.03 km) |
| San Martin de Valdeiglesias to Oss | 918.32 mi (1,477.89 km) |
| San Martin de Valdeiglesias to Oud-Beijerland | 895.16 mi (1,440.63 km) |
| San Martin de Valdeiglesias to Oudenbosch | 884.60 mi (1,423.62 km) |
