| Mairena del Aljarafe to Nuth | 1,106.87 mi (1,781.34 km) |
| Mairena del Aljarafe to Oegstgeest | 1,146.09 mi (1,844.45 km) |
| Mairena del Aljarafe to Oirschot | 1,125.18 mi (1,810.80 km) |
| Mairena del Aljarafe to Oisterwijk | 1,127.57 mi (1,814.65 km) |
| Mairena del Aljarafe to Oldebroek | 1,193.92 mi (1,921.42 km) |
| Mairena del Aljarafe to Oldenzaal | 1,211.42 mi (1,949.59 km) |
| Mairena del Aljarafe to Ommen | 1,209.97 mi (1,947.26 km) |
| Mairena del Aljarafe to Oosterend | 1,229.68 mi (1,978.97 km) |
| Mairena del Aljarafe to Oosterhout | 1,123.00 mi (1,807.30 km) |
| Mairena del Aljarafe to Oosterwolde | 1,234.06 mi (1,986.03 km) |
| Mairena del Aljarafe to Oostzaan | 1,169.95 mi (1,882.85 km) |
| Mairena del Aljarafe to Opmeer | 1,187.18 mi (1,910.57 km) |
| Mairena del Aljarafe to Oss | 1,145.65 mi (1,843.75 km) |
| Mairena del Aljarafe to Oud-Beijerland | 1,122.89 mi (1,807.11 km) |
| Mairena del Aljarafe to Oudenbosch | 1,112.24 mi (1,789.98 km) |
