| Bethel Park to Oberkirch | 4,138.88 mi (6,660.89 km) |
| Bethel Park to Obernburg am Main | 4,138.26 mi (6,659.89 km) |
| Bethel Park to Obernkirchen | 4,059.75 mi (6,533.54 km) |
| Bethel Park to Oberschleissheim | 4,287.80 mi (6,900.54 km) |
| Bethel Park to Oberstdorf | 4,265.41 mi (6,864.51 km) |
| Bethel Park to Obertraubling | 4,286.43 mi (6,898.34 km) |
| Bethel Park to Obertshausen | 4,118.80 mi (6,628.58 km) |
| Bethel Park to Oberursel | 4,104.36 mi (6,605.33 km) |
| Bethel Park to Ochsenfurt | 4,180.83 mi (6,728.39 km) |
| Bethel Park to Ochsenhausen | 4,229.31 mi (6,806.41 km) |
| Bethel Park to Ochtrup | 3,988.52 mi (6,418.91 km) |
| Bethel Park to Odenthal | 4,021.28 mi (6,471.62 km) |
| Bethel Park to Oelde | 4,036.49 mi (6,496.10 km) |
| Bethel Park to Oelsnitz | 4,236.21 mi (6,817.51 km) |
| Bethel Park to Oer-Erkenschwick | 4,007.87 mi (6,450.04 km) |
