| Havant to Oberkirch | 435.43 mi (700.75 km) |
| Havant to Obernburg am Main | 451.53 mi (726.66 km) |
| Havant to Obernkirchen | 444.41 mi (715.21 km) |
| Havant to Oberschleissheim | 589.77 mi (949.14 km) |
| Havant to Oberstdorf | 561.24 mi (903.24 km) |
| Havant to Obertraubling | 598.64 mi (963.42 km) |
| Havant to Obertshausen | 434.90 mi (699.91 km) |
| Havant to Oberursel | 422.04 mi (679.20 km) |
| Havant to Ochsenfurt | 494.75 mi (796.23 km) |
| Havant to Ochsenhausen | 526.54 mi (847.38 km) |
| Havant to Ochtrup | 363.39 mi (584.83 km) |
| Havant to Odenthal | 352.72 mi (567.65 km) |
| Havant to Oelde | 399.75 mi (643.33 km) |
| Havant to Oelsnitz | 576.34 mi (927.53 km) |
| Havant to Oer-Erkenschwick | 360.13 mi (579.57 km) |
