| Doncaster to Oberkirch | 527.75 mi (849.32 km) |
| Doncaster to Obernburg am Main | 507.76 mi (817.16 km) |
| Doncaster to Obernkirchen | 435.64 mi (701.10 km) |
| Doncaster to Oberschleissheim | 661.25 mi (1,064.18 km) |
| Doncaster to Oberstdorf | 654.66 mi (1,053.58 km) |
| Doncaster to Obertraubling | 654.38 mi (1,053.13 km) |
| Doncaster to Obertshausen | 487.69 mi (784.86 km) |
| Doncaster to Oberursel | 473.03 mi (761.26 km) |
| Doncaster to Ochsenfurt | 549.42 mi (884.20 km) |
| Doncaster to Ochsenhausen | 612.09 mi (985.06 km) |
| Doncaster to Ochtrup | 358.72 mi (577.30 km) |
| Doncaster to Odenthal | 388.58 mi (625.36 km) |
| Doncaster to Oelde | 405.71 mi (652.93 km) |
| Doncaster to Oelsnitz | 604.36 mi (972.62 km) |
| Doncaster to Oer-Erkenschwick | 374.95 mi (603.43 km) |
