| Southall to Oberkirch | 427.93 mi (688.68 km) |
| Southall to Obernburg am Main | 432.16 mi (695.50 km) |
| Southall to Obernkirchen | 407.97 mi (656.56 km) |
| Southall to Oberschleissheim | 576.73 mi (928.15 km) |
| Southall to Oberstdorf | 555.44 mi (893.89 km) |
| Southall to Obertraubling | 580.76 mi (934.64 km) |
| Southall to Obertshausen | 414.23 mi (666.65 km) |
| Southall to Oberursel | 400.62 mi (644.73 km) |
| Southall to Ochsenfurt | 475.49 mi (765.22 km) |
| Southall to Ochsenhausen | 517.65 mi (833.07 km) |
| Southall to Ochtrup | 326.33 mi (525.18 km) |
| Southall to Odenthal | 325.50 mi (523.84 km) |
| Southall to Oelde | 365.87 mi (588.81 km) |
| Southall to Oelsnitz | 550.40 mi (885.79 km) |
| Southall to Oer-Erkenschwick | 327.54 mi (527.13 km) |
