| Asenovgrad to Oegstgeest | 1,182.36 mi (1,902.83 km) |
| Asenovgrad to Oirschot | 1,128.75 mi (1,816.55 km) |
| Asenovgrad to Oisterwijk | 1,135.24 mi (1,826.99 km) |
| Asenovgrad to Oldebroek | 1,139.16 mi (1,833.29 km) |
| Asenovgrad to Oldenzaal | 1,097.45 mi (1,766.18 km) |
| Asenovgrad to Ommen | 1,123.24 mi (1,807.67 km) |
| Asenovgrad to Oosterend | 1,153.92 mi (1,857.06 km) |
| Asenovgrad to Oosterhout | 1,150.20 mi (1,851.06 km) |
| Asenovgrad to Oosterwolde | 1,145.63 mi (1,843.72 km) |
| Asenovgrad to Oostzaan | 1,175.37 mi (1,891.57 km) |
| Asenovgrad to Opmeer | 1,182.23 mi (1,902.61 km) |
| Asenovgrad to Oss | 1,129.34 mi (1,817.50 km) |
| Asenovgrad to Oud-Beijerland | 1,173.07 mi (1,887.88 km) |
| Asenovgrad to Oudenbosch | 1,161.22 mi (1,868.81 km) |
| Asenovgrad to Oudewater | 1,161.95 mi (1,869.98 km) |
