| Cartaxo to Nuth | 1,079.44 mi (1,737.18 km) |
| Cartaxo to Oegstgeest | 1,100.89 mi (1,771.71 km) |
| Cartaxo to Oirschot | 1,089.77 mi (1,753.81 km) |
| Cartaxo to Oisterwijk | 1,090.95 mi (1,755.72 km) |
| Cartaxo to Oldebroek | 1,154.94 mi (1,858.70 km) |
| Cartaxo to Oldenzaal | 1,178.87 mi (1,897.20 km) |
| Cartaxo to Ommen | 1,173.28 mi (1,888.21 km) |
| Cartaxo to Oosterend | 1,187.78 mi (1,911.55 km) |
| Cartaxo to Oosterhout | 1,083.93 mi (1,744.41 km) |
| Cartaxo to Oosterwolde | 1,193.43 mi (1,920.64 km) |
| Cartaxo to Oostzaan | 1,125.46 mi (1,811.25 km) |
| Cartaxo to Opmeer | 1,141.28 mi (1,836.71 km) |
| Cartaxo to Oss | 1,109.49 mi (1,785.55 km) |
| Cartaxo to Oud-Beijerland | 1,079.84 mi (1,737.83 km) |
| Cartaxo to Oudenbosch | 1,071.57 mi (1,724.52 km) |
