| Monte Compatri to Oberkirch | 516.77 mi (831.66 km) |
| Monte Compatri to Obernburg am Main | 581.15 mi (935.27 km) |
| Monte Compatri to Obernkirchen | 742.18 mi (1,194.42 km) |
| Monte Compatri to Oberschleissheim | 448.73 mi (722.16 km) |
| Monte Compatri to Oberstdorf | 405.42 mi (652.46 km) |
| Monte Compatri to Obertraubling | 495.32 mi (797.14 km) |
| Monte Compatri to Obertshausen | 600.44 mi (966.31 km) |
| Monte Compatri to Oberursel | 613.20 mi (986.85 km) |
| Monte Compatri to Ochsenfurt | 556.82 mi (896.12 km) |
| Monte Compatri to Ochsenhausen | 453.71 mi (730.18 km) |
| Monte Compatri to Ochtrup | 763.89 mi (1,229.37 km) |
| Monte Compatri to Odenthal | 690.83 mi (1,111.78 km) |
| Monte Compatri to Oelde | 725.46 mi (1,167.51 km) |
| Monte Compatri to Oelsnitz | 595.42 mi (958.23 km) |
| Monte Compatri to Oer-Erkenschwick | 726.94 mi (1,169.90 km) |
