| Southampton to Oberkirch | 453.93 mi (730.54 km) |
| Southampton to Obernburg am Main | 470.07 mi (756.51 km) |
| Southampton to Obernkirchen | 461.01 mi (741.93 km) |
| Southampton to Oberschleissheim | 608.40 mi (979.13 km) |
| Southampton to Oberstdorf | 579.63 mi (932.83 km) |
| Southampton to Obertraubling | 617.25 mi (993.37 km) |
| Southampton to Obertshausen | 453.39 mi (729.65 km) |
| Southampton to Oberursel | 440.48 mi (708.88 km) |
| Southampton to Ochsenfurt | 513.31 mi (826.09 km) |
| Southampton to Ochsenhausen | 545.08 mi (877.22 km) |
| Southampton to Ochtrup | 379.79 mi (611.22 km) |
| Southampton to Odenthal | 370.66 mi (596.53 km) |
| Southampton to Oelde | 416.81 mi (670.78 km) |
| Southampton to Oelsnitz | 594.51 mi (956.78 km) |
| Southampton to Oer-Erkenschwick | 377.37 mi (607.31 km) |
