| Spanish Lake to Nuth | 4,440.66 mi (7,146.55 km) |
| Spanish Lake to Oegstgeest | 4,344.25 mi (6,991.40 km) |
| Spanish Lake to Oirschot | 4,398.51 mi (7,078.72 km) |
| Spanish Lake to Oisterwijk | 4,391.91 mi (7,068.10 km) |
| Spanish Lake to Oldebroek | 4,387.79 mi (7,061.46 km) |
| Spanish Lake to Oldenzaal | 4,430.04 mi (7,129.46 km) |
| Spanish Lake to Ommen | 4,404.27 mi (7,087.99 km) |
| Spanish Lake to Oosterend | 4,374.73 mi (7,040.45 km) |
| Spanish Lake to Oosterhout | 4,377.09 mi (7,044.24 km) |
| Spanish Lake to Oosterwolde | 4,383.30 mi (7,054.24 km) |
| Spanish Lake to Oostzaan | 4,351.16 mi (7,002.51 km) |
| Spanish Lake to Opmeer | 4,344.57 mi (6,991.92 km) |
| Spanish Lake to Oss | 4,397.33 mi (7,076.82 km) |
| Spanish Lake to Oud-Beijerland | 4,354.16 mi (7,007.35 km) |
| Spanish Lake to Oudenbosch | 4,366.50 mi (7,027.21 km) |
