| Stara Zagora to Oegstgeest | 1,192.42 mi (1,919.01 km) |
| Stara Zagora to Oirschot | 1,139.91 mi (1,834.51 km) |
| Stara Zagora to Oisterwijk | 1,146.26 mi (1,844.73 km) |
| Stara Zagora to Oldebroek | 1,147.30 mi (1,846.40 km) |
| Stara Zagora to Oldenzaal | 1,104.95 mi (1,778.25 km) |
| Stara Zagora to Ommen | 1,130.72 mi (1,819.72 km) |
| Stara Zagora to Oosterend | 1,160.51 mi (1,867.65 km) |
| Stara Zagora to Oosterhout | 1,161.34 mi (1,868.99 km) |
| Stara Zagora to Oosterwolde | 1,152.03 mi (1,854.02 km) |
| Stara Zagora to Oostzaan | 1,184.45 mi (1,906.19 km) |
| Stara Zagora to Opmeer | 1,190.58 mi (1,916.06 km) |
| Stara Zagora to Oss | 1,139.61 mi (1,834.02 km) |
| Stara Zagora to Oud-Beijerland | 1,184.12 mi (1,905.66 km) |
| Stara Zagora to Oudenbosch | 1,172.76 mi (1,887.38 km) |
| Stara Zagora to Oudewater | 1,172.11 mi (1,886.33 km) |
