| Plovdiv to Oestrich-Winkel | 965.44 mi (1,553.73 km) |
| Plovdiv to Offenburg | 923.62 mi (1,486.42 km) |
| Plovdiv to Oftersheim | 922.32 mi (1,484.33 km) |
| Plovdiv to Ohrdruf | 894.03 mi (1,438.80 km) |
| Plovdiv to Ohringen | 880.25 mi (1,416.62 km) |
| Plovdiv to Olbernhau | 799.52 mi (1,286.70 km) |
| Plovdiv to Olching | 774.75 mi (1,246.84 km) |
| Plovdiv to Oldenburg | 1,076.49 mi (1,732.44 km) |
| Plovdiv to Oldenburg in Holstein | 1,050.60 mi (1,690.78 km) |
| Plovdiv to Olfen | 1,048.14 mi (1,686.82 km) |
| Plovdiv to Olpe | 1,006.27 mi (1,619.43 km) |
| Plovdiv to Olsberg | 994.68 mi (1,600.78 km) |
| Plovdiv to Oranienburg | 906.58 mi (1,458.99 km) |
| Plovdiv to Ortenberg | 936.89 mi (1,507.77 km) |
| Plovdiv to Oschatz | 836.90 mi (1,346.86 km) |
