| Kercem to Oberkirch | 917.79 mi (1,477.04 km) |
| Kercem to Obernburg am Main | 986.98 mi (1,588.38 km) |
| Kercem to Obernkirchen | 1,148.65 mi (1,848.57 km) |
| Kercem to Oberschleissheim | 854.40 mi (1,375.03 km) |
| Kercem to Oberstdorf | 811.23 mi (1,305.54 km) |
| Kercem to Obertraubling | 899.11 mi (1,446.98 km) |
| Kercem to Obertshausen | 1,006.00 mi (1,619.00 km) |
| Kercem to Oberursel | 1,018.47 mi (1,639.07 km) |
| Kercem to Ochsenfurt | 963.28 mi (1,550.25 km) |
| Kercem to Ochsenhausen | 859.47 mi (1,383.18 km) |
| Kercem to Ochtrup | 1,168.83 mi (1,881.05 km) |
| Kercem to Odenthal | 1,094.18 mi (1,760.92 km) |
| Kercem to Oelde | 1,131.33 mi (1,820.70 km) |
| Kercem to Oelsnitz | 998.60 mi (1,607.10 km) |
| Kercem to Oer-Erkenschwick | 1,131.40 mi (1,820.81 km) |
