| Marin to Oberkirch | 914.58 mi (1,471.87 km) |
| Marin to Obernburg am Main | 993.72 mi (1,599.24 km) |
| Marin to Obernkirchen | 1,072.72 mi (1,726.38 km) |
| Marin to Oberschleissheim | 1,060.47 mi (1,706.66 km) |
| Marin to Oberstdorf | 988.31 mi (1,590.53 km) |
| Marin to Obertraubling | 1,100.24 mi (1,770.67 km) |
| Marin to Obertshausen | 987.94 mi (1,589.94 km) |
| Marin to Oberursel | 981.93 mi (1,580.26 km) |
| Marin to Ochsenfurt | 1,026.51 mi (1,652.02 km) |
| Marin to Ochsenhausen | 985.33 mi (1,585.73 km) |
| Marin to Ochtrup | 1,002.98 mi (1,614.13 km) |
| Marin to Odenthal | 954.60 mi (1,536.28 km) |
| Marin to Oelde | 1,021.95 mi (1,644.67 km) |
| Marin to Oelsnitz | 1,132.69 mi (1,822.88 km) |
| Marin to Oer-Erkenschwick | 982.61 mi (1,581.35 km) |
