| Plovdiv to Obernburg am Main | 915.58 mi (1,473.48 km) |
| Plovdiv to Obernkirchen | 1,009.37 mi (1,624.43 km) |
| Plovdiv to Oberschleissheim | 766.22 mi (1,233.12 km) |
| Plovdiv to Oberstdorf | 795.62 mi (1,280.43 km) |
| Plovdiv to Obertraubling | 767.97 mi (1,235.94 km) |
| Plovdiv to Obertshausen | 935.23 mi (1,505.10 km) |
| Plovdiv to Oberursel | 949.77 mi (1,528.50 km) |
| Plovdiv to Ochsenfurt | 873.27 mi (1,405.39 km) |
| Plovdiv to Ochsenhausen | 827.68 mi (1,332.02 km) |
| Plovdiv to Ochtrup | 1,073.36 mi (1,727.40 km) |
| Plovdiv to Odenthal | 1,033.75 mi (1,663.66 km) |
| Plovdiv to Oelde | 1,025.14 mi (1,649.80 km) |
| Plovdiv to Oelsnitz | 826.93 mi (1,330.82 km) |
| Plovdiv to Oer-Erkenschwick | 1,050.23 mi (1,690.18 km) |
| Plovdiv to Oerlinghausen | 1,012.36 mi (1,629.24 km) |
