| Gerakas to Oberkirch | 1,070.93 mi (1,723.50 km) |
| Gerakas to Obernburg am Main | 1,091.98 mi (1,757.37 km) |
| Gerakas to Obernkirchen | 1,212.56 mi (1,951.42 km) |
| Gerakas to Oberschleissheim | 936.70 mi (1,507.47 km) |
| Gerakas to Oberstdorf | 943.10 mi (1,517.77 km) |
| Gerakas to Obertraubling | 953.42 mi (1,534.38 km) |
| Gerakas to Obertshausen | 1,112.67 mi (1,790.67 km) |
| Gerakas to Oberursel | 1,127.42 mi (1,814.40 km) |
| Gerakas to Ochsenfurt | 1,053.01 mi (1,694.65 km) |
| Gerakas to Ochsenhausen | 983.90 mi (1,583.43 km) |
| Gerakas to Ochtrup | 1,265.96 mi (2,037.36 km) |
| Gerakas to Odenthal | 1,213.36 mi (1,952.71 km) |
| Gerakas to Oelde | 1,218.86 mi (1,961.57 km) |
| Gerakas to Oelsnitz | 1,030.10 mi (1,657.79 km) |
| Gerakas to Oer-Erkenschwick | 1,237.28 mi (1,991.21 km) |