| Nova Zagora to Oestrich-Winkel | 1,001.19 mi (1,611.26 km) |
| Nova Zagora to Offenburg | 965.23 mi (1,553.39 km) |
| Nova Zagora to Oftersheim | 959.78 mi (1,544.62 km) |
| Nova Zagora to Ohrdruf | 922.63 mi (1,484.84 km) |
| Nova Zagora to Ohringen | 917.26 mi (1,476.18 km) |
| Nova Zagora to Olbernhau | 823.61 mi (1,325.47 km) |
| Nova Zagora to Olching | 813.55 mi (1,309.29 km) |
| Nova Zagora to Oldenburg | 1,100.74 mi (1,771.48 km) |
| Nova Zagora to Oldenburg in Holstein | 1,066.68 mi (1,716.66 km) |
| Nova Zagora to Olfen | 1,078.43 mi (1,735.56 km) |
| Nova Zagora to Olpe | 1,038.47 mi (1,671.25 km) |
| Nova Zagora to Olsberg | 1,024.80 mi (1,649.25 km) |
| Nova Zagora to Oranienburg | 922.91 mi (1,485.28 km) |
| Nova Zagora to Ortenberg | 969.93 mi (1,560.96 km) |
| Nova Zagora to Oschatz | 858.92 mi (1,382.30 km) |
