| Backa Topola to Oberkirch | 573.34 mi (922.70 km) |
| Backa Topola to Obernburg am Main | 559.74 mi (900.82 km) |
| Backa Topola to Obernkirchen | 651.04 mi (1,047.75 km) |
| Backa Topola to Oberschleissheim | 415.14 mi (668.11 km) |
| Backa Topola to Oberstdorf | 457.09 mi (735.61 km) |
| Backa Topola to Obertraubling | 411.19 mi (661.75 km) |
| Backa Topola to Obertshausen | 578.93 mi (931.69 km) |
| Backa Topola to Oberursel | 593.30 mi (954.82 km) |
| Backa Topola to Ochsenfurt | 516.91 mi (831.89 km) |
| Backa Topola to Ochsenhausen | 482.30 mi (776.19 km) |
| Backa Topola to Ochtrup | 714.49 mi (1,149.86 km) |
| Backa Topola to Odenthal | 676.34 mi (1,088.46 km) |
| Backa Topola to Oelde | 666.27 mi (1,072.26 km) |
| Backa Topola to Oelsnitz | 468.24 mi (753.55 km) |
| Backa Topola to Oer-Erkenschwick | 691.69 mi (1,113.17 km) |
