| Palos de la Frontera to Nuth | 1,135.21 mi (1,826.94 km) |
| Palos de la Frontera to Oegstgeest | 1,171.09 mi (1,884.69 km) |
| Palos de la Frontera to Oirschot | 1,152.05 mi (1,854.04 km) |
| Palos de la Frontera to Oisterwijk | 1,154.22 mi (1,857.53 km) |
| Palos de la Frontera to Oldebroek | 1,220.25 mi (1,963.81 km) |
| Palos de la Frontera to Oldenzaal | 1,239.02 mi (1,994.02 km) |
| Palos de la Frontera to Ommen | 1,236.78 mi (1,990.41 km) |
| Palos de la Frontera to Oosterend | 1,255.51 mi (2,020.55 km) |
| Palos de la Frontera to Oosterhout | 1,149.16 mi (1,849.40 km) |
| Palos de la Frontera to Oosterwolde | 1,260.16 mi (2,028.03 km) |
| Palos de la Frontera to Oostzaan | 1,195.15 mi (1,923.40 km) |
| Palos de la Frontera to Opmeer | 1,212.13 mi (1,950.73 km) |
| Palos de la Frontera to Oss | 1,172.43 mi (1,886.84 km) |
| Palos de la Frontera to Oud-Beijerland | 1,148.26 mi (1,847.95 km) |
| Palos de la Frontera to Oudenbosch | 1,138.06 mi (1,831.53 km) |
