| Coram to Oberkirch | 3,827.07 mi (6,159.08 km) |
| Coram to Obernburg am Main | 3,832.72 mi (6,168.17 km) |
| Coram to Obernkirchen | 3,764.03 mi (6,057.62 km) |
| Coram to Oberschleissheim | 3,979.39 mi (6,404.22 km) |
| Coram to Oberstdorf | 3,952.30 mi (6,360.61 km) |
| Coram to Obertraubling | 3,981.47 mi (6,407.56 km) |
| Coram to Obertshausen | 3,813.77 mi (6,137.67 km) |
| Coram to Oberursel | 3,799.54 mi (6,114.77 km) |
| Coram to Ochsenfurt | 3,875.71 mi (6,237.36 km) |
| Coram to Ochsenhausen | 3,918.15 mi (6,305.65 km) |
| Coram to Ochtrup | 3,690.27 mi (5,938.92 km) |
| Coram to Odenthal | 3,718.04 mi (5,983.61 km) |
| Coram to Oelde | 3,737.79 mi (6,015.39 km) |
| Coram to Oelsnitz | 3,936.80 mi (6,335.67 km) |
| Coram to Oer-Erkenschwick | 3,707.31 mi (5,966.33 km) |
