| Silver Firs to Oberkirch | 5,141.34 mi (8,274.18 km) |
| Silver Firs to Obernburg am Main | 5,089.95 mi (8,191.48 km) |
| Silver Firs to Obernkirchen | 4,947.06 mi (7,961.53 km) |
| Silver Firs to Oberschleissheim | 5,240.57 mi (8,433.87 km) |
| Silver Firs to Oberstdorf | 5,260.51 mi (8,465.97 km) |
| Silver Firs to Obertraubling | 5,211.33 mi (8,386.83 km) |
| Silver Firs to Obertshausen | 5,069.42 mi (8,158.44 km) |
| Silver Firs to Oberursel | 5,055.40 mi (8,135.87 km) |
| Silver Firs to Ochsenfurt | 5,122.67 mi (8,244.14 km) |
| Silver Firs to Ochsenhausen | 5,213.31 mi (8,390.02 km) |
| Silver Firs to Ochtrup | 4,906.55 mi (7,896.32 km) |
| Silver Firs to Odenthal | 4,972.60 mi (8,002.62 km) |
| Silver Firs to Oelde | 4,950.33 mi (7,966.78 km) |
| Silver Firs to Oelsnitz | 5,124.37 mi (8,246.87 km) |
| Silver Firs to Oer-Erkenschwick | 4,940.53 mi (7,951.01 km) |
