| Don Benito to Nuth | 1,003.87 mi (1,615.57 km) |
| Don Benito to Oegstgeest | 1,039.27 mi (1,672.54 km) |
| Don Benito to Oirschot | 1,020.35 mi (1,642.10 km) |
| Don Benito to Oisterwijk | 1,022.49 mi (1,645.53 km) |
| Don Benito to Oldebroek | 1,088.48 mi (1,751.74 km) |
| Don Benito to Oldenzaal | 1,107.46 mi (1,782.29 km) |
| Don Benito to Ommen | 1,105.07 mi (1,778.43 km) |
| Don Benito to Oosterend | 1,123.70 mi (1,808.42 km) |
| Don Benito to Oosterhout | 1,017.37 mi (1,637.31 km) |
| Don Benito to Oosterwolde | 1,128.36 mi (1,815.92 km) |
| Don Benito to Oostzaan | 1,063.32 mi (1,711.25 km) |
| Don Benito to Opmeer | 1,080.31 mi (1,738.59 km) |
| Don Benito to Oss | 1,040.71 mi (1,674.86 km) |
| Don Benito to Oud-Beijerland | 1,016.44 mi (1,635.79 km) |
| Don Benito to Oudenbosch | 1,006.25 mi (1,619.40 km) |
