| Alcobaca to Nuth | 1,063.44 mi (1,711.44 km) |
| Alcobaca to Oegstgeest | 1,082.52 mi (1,742.15 km) |
| Alcobaca to Oirschot | 1,072.69 mi (1,726.32 km) |
| Alcobaca to Oisterwijk | 1,073.71 mi (1,727.97 km) |
| Alcobaca to Oldebroek | 1,137.26 mi (1,830.25 km) |
| Alcobaca to Oldenzaal | 1,161.98 mi (1,870.02 km) |
| Alcobaca to Ommen | 1,155.86 mi (1,860.18 km) |
| Alcobaca to Oosterend | 1,169.67 mi (1,882.40 km) |
| Alcobaca to Oosterhout | 1,066.38 mi (1,716.17 km) |
| Alcobaca to Oosterwolde | 1,175.46 mi (1,891.73 km) |
| Alcobaca to Oostzaan | 1,107.13 mi (1,781.75 km) |
| Alcobaca to Opmeer | 1,122.74 mi (1,806.87 km) |
| Alcobaca to Oss | 1,092.27 mi (1,757.84 km) |
| Alcobaca to Oud-Beijerland | 1,061.79 mi (1,708.78 km) |
| Alcobaca to Oudenbosch | 1,053.84 mi (1,696.00 km) |
