| Stara Zagora to Obernburg am Main | 938.44 mi (1,510.27 km) |
| Stara Zagora to Obernkirchen | 1,025.47 mi (1,650.34 km) |
| Stara Zagora to Oberschleissheim | 791.50 mi (1,273.79 km) |
| Stara Zagora to Oberstdorf | 824.98 mi (1,327.68 km) |
| Stara Zagora to Obertraubling | 790.03 mi (1,271.43 km) |
| Stara Zagora to Obertshausen | 957.73 mi (1,541.32 km) |
| Stara Zagora to Oberursel | 972.13 mi (1,564.49 km) |
| Stara Zagora to Ochsenfurt | 895.71 mi (1,441.50 km) |
| Stara Zagora to Ochsenhausen | 855.19 mi (1,376.29 km) |
| Stara Zagora to Ochtrup | 1,091.68 mi (1,756.90 km) |
| Stara Zagora to Odenthal | 1,055.21 mi (1,698.19 km) |
| Stara Zagora to Oelde | 1,043.45 mi (1,679.28 km) |
| Stara Zagora to Oelsnitz | 844.25 mi (1,358.68 km) |
| Stara Zagora to Oer-Erkenschwick | 1,069.95 mi (1,721.92 km) |
| Stara Zagora to Oerlinghausen | 1,029.77 mi (1,657.25 km) |
