| Ecclesall to Oberkirch | 533.34 mi (858.33 km) |
| Ecclesall to Obernburg am Main | 516.68 mi (831.51 km) |
| Ecclesall to Obernkirchen | 449.30 mi (723.07 km) |
| Ecclesall to Oberschleissheim | 669.42 mi (1,077.33 km) |
| Ecclesall to Oberstdorf | 660.66 mi (1,063.23 km) |
| Ecclesall to Obertraubling | 663.96 mi (1,068.53 km) |
| Ecclesall to Obertshausen | 496.79 mi (799.51 km) |
| Ecclesall to Oberursel | 482.20 mi (776.03 km) |
| Ecclesall to Ochsenfurt | 558.68 mi (899.11 km) |
| Ecclesall to Ochsenhausen | 618.73 mi (995.76 km) |
| Ecclesall to Ochtrup | 371.51 mi (597.89 km) |
| Ecclesall to Odenthal | 398.40 mi (641.17 km) |
| Ecclesall to Oelde | 418.09 mi (672.85 km) |
| Ecclesall to Oelsnitz | 616.05 mi (991.44 km) |
| Ecclesall to Oer-Erkenschwick | 386.38 mi (621.83 km) |
