| Dobrich to Oestrich-Winkel | 1,034.09 mi (1,664.21 km) |
| Dobrich to Offenburg | 1,009.57 mi (1,624.74 km) |
| Dobrich to Oftersheim | 996.30 mi (1,603.39 km) |
| Dobrich to Ohrdruf | 943.28 mi (1,518.06 km) |
| Dobrich to Ohringen | 953.40 mi (1,534.35 km) |
| Dobrich to Olbernhau | 837.53 mi (1,347.88 km) |
| Dobrich to Olching | 854.32 mi (1,374.90 km) |
| Dobrich to Oldenburg | 1,111.66 mi (1,789.05 km) |
| Dobrich to Oldenburg in Holstein | 1,063.41 mi (1,711.40 km) |
| Dobrich to Olfen | 1,100.49 mi (1,771.08 km) |
| Dobrich to Olpe | 1,064.43 mi (1,713.04 km) |
| Dobrich to Olsberg | 1,047.08 mi (1,685.10 km) |
| Dobrich to Oranienburg | 921.72 mi (1,483.37 km) |
| Dobrich to Ortenberg | 998.15 mi (1,606.36 km) |
| Dobrich to Oschatz | 868.64 mi (1,397.94 km) |
