| Attard to Oegstgeest | 1,227.02 mi (1,974.70 km) |
| Attard to Oirschot | 1,168.84 mi (1,881.07 km) |
| Attard to Oisterwijk | 1,175.91 mi (1,892.44 km) |
| Attard to Oldebroek | 1,217.70 mi (1,959.71 km) |
| Attard to Oldenzaal | 1,192.74 mi (1,919.53 km) |
| Attard to Ommen | 1,213.56 mi (1,953.04 km) |
| Attard to Oosterend | 1,250.24 mi (2,012.07 km) |
| Attard to Oosterhout | 1,186.23 mi (1,909.05 km) |
| Attard to Oosterwolde | 1,245.88 mi (2,005.05 km) |
| Attard to Oostzaan | 1,234.55 mi (1,986.82 km) |
| Attard to Opmeer | 1,249.94 mi (2,011.58 km) |
| Attard to Oss | 1,181.40 mi (1,901.27 km) |
| Attard to Oud-Beijerland | 1,205.92 mi (1,940.74 km) |
| Attard to Oudenbosch | 1,189.56 mi (1,914.41 km) |
| Attard to Oudewater | 1,209.06 mi (1,945.79 km) |
