| Ponte de Sor to Nuth | 1,049.81 mi (1,689.50 km) |
| Ponte de Sor to Oegstgeest | 1,074.26 mi (1,728.86 km) |
| Ponte de Sor to Oirschot | 1,061.44 mi (1,708.23 km) |
| Ponte de Sor to Oisterwijk | 1,062.83 mi (1,710.47 km) |
| Ponte de Sor to Oldebroek | 1,127.35 mi (1,814.29 km) |
| Ponte de Sor to Oldenzaal | 1,150.25 mi (1,851.15 km) |
| Ponte de Sor to Ommen | 1,145.33 mi (1,843.24 km) |
| Ponte de Sor to Oosterend | 1,160.75 mi (1,868.04 km) |
| Ponte de Sor to Oosterhout | 1,056.21 mi (1,699.80 km) |
| Ponte de Sor to Oosterwolde | 1,166.19 mi (1,876.80 km) |
| Ponte de Sor to Oostzaan | 1,098.76 mi (1,768.28 km) |
| Ponte de Sor to Opmeer | 1,114.86 mi (1,794.19 km) |
| Ponte de Sor to Oss | 1,081.33 mi (1,740.24 km) |
| Ponte de Sor to Oud-Beijerland | 1,052.79 mi (1,694.30 km) |
| Ponte de Sor to Oudenbosch | 1,044.09 mi (1,680.30 km) |
