| Central to Oberkirch | 5,051.12 mi (8,128.99 km) |
| Central to Obernburg am Main | 5,051.85 mi (8,130.17 km) |
| Central to Obernkirchen | 4,974.01 mi (8,004.89 km) |
| Central to Oberschleissheim | 5,200.91 mi (8,370.06 km) |
| Central to Oberstdorf | 5,177.31 mi (8,332.07 km) |
| Central to Obertraubling | 5,200.14 mi (8,368.82 km) |
| Central to Obertshausen | 5,032.46 mi (8,098.97 km) |
| Central to Oberursel | 5,018.05 mi (8,075.76 km) |
| Central to Ochsenfurt | 5,094.49 mi (8,198.79 km) |
| Central to Ochsenhausen | 5,141.75 mi (8,274.85 km) |
| Central to Ochtrup | 4,902.75 mi (7,890.22 km) |
| Central to Odenthal | 4,935.15 mi (7,942.35 km) |
| Central to Oelde | 4,950.71 mi (7,967.39 km) |
| Central to Oelsnitz | 5,150.41 mi (8,288.78 km) |
| Central to Oer-Erkenschwick | 4,921.98 mi (7,921.16 km) |
