| Small Heath to Oberkirch | 513.60 mi (826.56 km) |
| Small Heath to Obernburg am Main | 509.21 mi (819.49 km) |
| Small Heath to Obernkirchen | 462.67 mi (744.60 km) |
| Small Heath to Oberschleissheim | 657.99 mi (1,058.93 km) |
| Small Heath to Oberstdorf | 641.43 mi (1,032.27 km) |
| Small Heath to Obertraubling | 657.94 mi (1,058.86 km) |
| Small Heath to Obertshausen | 490.26 mi (788.99 km) |
| Small Heath to Oberursel | 476.08 mi (766.18 km) |
| Small Heath to Ochsenfurt | 552.19 mi (888.66 km) |
| Small Heath to Ochsenhausen | 602.04 mi (968.89 km) |
| Small Heath to Ochtrup | 382.02 mi (614.80 km) |
| Small Heath to Odenthal | 395.97 mi (637.25 km) |
| Small Heath to Oelde | 426.03 mi (685.63 km) |
| Small Heath to Oelsnitz | 619.11 mi (996.36 km) |
| Small Heath to Oer-Erkenschwick | 390.72 mi (628.80 km) |
