| Sanlucar la Mayor to Nuth | 1,107.33 mi (1,782.07 km) |
| Sanlucar la Mayor to Oegstgeest | 1,145.82 mi (1,844.02 km) |
| Sanlucar la Mayor to Oirschot | 1,125.31 mi (1,811.01 km) |
| Sanlucar la Mayor to Oisterwijk | 1,127.65 mi (1,814.79 km) |
| Sanlucar la Mayor to Oldebroek | 1,193.94 mi (1,921.46 km) |
| Sanlucar la Mayor to Oldenzaal | 1,211.72 mi (1,950.07 km) |
| Sanlucar la Mayor to Ommen | 1,210.09 mi (1,947.46 km) |
| Sanlucar la Mayor to Oosterend | 1,229.59 mi (1,978.84 km) |
| Sanlucar la Mayor to Oosterhout | 1,122.98 mi (1,807.26 km) |
| Sanlucar la Mayor to Oosterwolde | 1,234.03 mi (1,985.99 km) |
| Sanlucar la Mayor to Oostzaan | 1,169.72 mi (1,882.49 km) |
| Sanlucar la Mayor to Opmeer | 1,186.90 mi (1,910.13 km) |
| Sanlucar la Mayor to Oss | 1,145.76 mi (1,843.93 km) |
| Sanlucar la Mayor to Oud-Beijerland | 1,122.69 mi (1,806.80 km) |
| Sanlucar la Mayor to Oudenbosch | 1,112.14 mi (1,789.82 km) |
