| Pilar de la Horadada to Nuth | 958.88 mi (1,543.18 km) |
| Pilar de la Horadada to Oegstgeest | 1,021.18 mi (1,643.43 km) |
| Pilar de la Horadada to Oirschot | 987.38 mi (1,589.03 km) |
| Pilar de la Horadada to Oisterwijk | 991.36 mi (1,595.43 km) |
| Pilar de la Horadada to Oldebroek | 1,057.79 mi (1,702.35 km) |
| Pilar de la Horadada to Oldenzaal | 1,065.52 mi (1,714.79 km) |
| Pilar de la Horadada to Ommen | 1,069.90 mi (1,721.84 km) |
| Pilar de la Horadada to Oosterend | 1,096.09 mi (1,763.98 km) |
| Pilar de la Horadada to Oosterhout | 990.52 mi (1,594.08 km) |
| Pilar de la Horadada to Oosterwolde | 1,098.50 mi (1,767.86 km) |
| Pilar de la Horadada to Oostzaan | 1,042.83 mi (1,678.28 km) |
| Pilar de la Horadada to Opmeer | 1,061.26 mi (1,707.93 km) |
| Pilar de la Horadada to Oss | 1,007.87 mi (1,622.01 km) |
| Pilar de la Horadada to Oud-Beijerland | 996.09 mi (1,603.06 km) |
| Pilar de la Horadada to Oudenbosch | 982.61 mi (1,581.35 km) |
