| Tranent to Oberkirch | 691.43 mi (1,112.76 km) |
| Tranent to Obernburg am Main | 655.77 mi (1,055.36 km) |
| Tranent to Obernkirchen | 550.09 mi (885.29 km) |
| Tranent to Oberschleissheim | 811.10 mi (1,305.34 km) |
| Tranent to Oberstdorf | 815.41 mi (1,312.28 km) |
| Tranent to Obertraubling | 795.82 mi (1,280.75 km) |
| Tranent to Obertshausen | 635.03 mi (1,021.98 km) |
| Tranent to Oberursel | 620.31 mi (998.29 km) |
| Tranent to Ochsenfurt | 694.56 mi (1,117.78 km) |
| Tranent to Ochsenhausen | 770.32 mi (1,239.71 km) |
| Tranent to Ochtrup | 484.95 mi (780.45 km) |
| Tranent to Odenthal | 534.41 mi (860.05 km) |
| Tranent to Oelde | 533.06 mi (857.88 km) |
| Tranent to Oelsnitz | 731.11 mi (1,176.60 km) |
| Tranent to Oer-Erkenschwick | 510.89 mi (822.20 km) |
