| East Retford to Oberkirch | 513.17 mi (825.86 km) |
| East Retford to Obernburg am Main | 494.72 mi (796.17 km) |
| East Retford to Obernkirchen | 426.25 mi (685.98 km) |
| East Retford to Oberschleissheim | 647.82 mi (1,042.56 km) |
| East Retford to Oberstdorf | 640.25 mi (1,030.38 km) |
| East Retford to Obertraubling | 641.74 mi (1,032.78 km) |
| East Retford to Obertshausen | 474.75 mi (764.03 km) |
| East Retford to Oberursel | 460.12 mi (740.50 km) |
| East Retford to Ochsenfurt | 536.58 mi (863.54 km) |
| East Retford to Ochsenhausen | 597.93 mi (962.28 km) |
| East Retford to Ochtrup | 348.48 mi (560.83 km) |
| East Retford to Odenthal | 376.06 mi (605.21 km) |
| East Retford to Oelde | 395.11 mi (635.87 km) |
| East Retford to Oelsnitz | 593.20 mi (954.66 km) |
| East Retford to Oer-Erkenschwick | 363.57 mi (585.10 km) |
