| Obernai to Obernburg am Main | 121.18 mi (195.02 km) |
| Obernai to Obernkirchen | 272.54 mi (438.60 km) |
| Obernai to Oberschleissheim | 188.09 mi (302.71 km) |
| Obernai to Oberstdorf | 148.50 mi (238.98 km) |
| Obernai to Obertraubling | 216.36 mi (348.20 km) |
| Obernai to Obertshausen | 126.50 mi (203.58 km) |
| Obernai to Oberursel | 130.01 mi (209.22 km) |
| Obernai to Ochsenfurt | 142.93 mi (230.02 km) |
| Obernai to Ochsenhausen | 116.58 mi (187.61 km) |
| Obernai to Ochtrup | 258.96 mi (416.76 km) |
| Obernai to Odenthal | 178.39 mi (287.09 km) |
| Obernai to Oelde | 234.79 mi (377.86 km) |
| Obernai to Oelsnitz | 250.00 mi (402.34 km) |
| Obernai to Oer-Erkenschwick | 219.96 mi (353.98 km) |
| Obernai to Oerlinghausen | 247.73 mi (398.68 km) |
