| Ollerton to Oberkirch | 510.75 mi (821.97 km) |
| Ollerton to Obernburg am Main | 494.09 mi (795.16 km) |
| Ollerton to Obernkirchen | 428.65 mi (689.84 km) |
| Ollerton to Oberschleissheim | 646.75 mi (1,040.85 km) |
| Ollerton to Oberstdorf | 638.03 mi (1,026.81 km) |
| Ollerton to Obertraubling | 641.47 mi (1,032.34 km) |
| Ollerton to Obertshausen | 474.24 mi (763.21 km) |
| Ollerton to Oberursel | 459.65 mi (739.74 km) |
| Ollerton to Ochsenfurt | 536.14 mi (862.84 km) |
| Ollerton to Ochsenhausen | 596.05 mi (959.26 km) |
| Ollerton to Ochtrup | 350.33 mi (563.80 km) |
| Ollerton to Odenthal | 376.00 mi (605.12 km) |
| Ollerton to Oelde | 396.65 mi (638.34 km) |
| Ollerton to Oelsnitz | 594.22 mi (956.31 km) |
| Ollerton to Oer-Erkenschwick | 364.50 mi (586.61 km) |
