| Basingstoke to Oberkirch | 449.31 mi (723.09 km) |
| Basingstoke to Obernburg am Main | 459.33 mi (739.22 km) |
| Basingstoke to Obernkirchen | 441.43 mi (710.41 km) |
| Basingstoke to Oberschleissheim | 601.11 mi (967.40 km) |
| Basingstoke to Oberstdorf | 576.11 mi (927.16 km) |
| Basingstoke to Obertraubling | 607.43 mi (977.56 km) |
| Basingstoke to Obertshausen | 441.95 mi (711.25 km) |
| Basingstoke to Oberursel | 428.64 mi (689.82 km) |
| Basingstoke to Ochsenfurt | 502.67 mi (808.97 km) |
| Basingstoke to Ochsenhausen | 539.89 mi (868.86 km) |
| Basingstoke to Ochtrup | 359.88 mi (579.17 km) |
| Basingstoke to Odenthal | 355.76 mi (572.55 km) |
| Basingstoke to Oelde | 398.54 mi (641.39 km) |
| Basingstoke to Oelsnitz | 580.46 mi (934.16 km) |
| Basingstoke to Oer-Erkenschwick | 359.75 mi (578.95 km) |
