| Basel to Oberkirch | 71.34 mi (114.81 km) |
| Basel to Obernburg am Main | 173.00 mi (278.42 km) |
| Basel to Obernkirchen | 332.54 mi (535.18 km) |
| Basel to Oberschleissheim | 190.31 mi (306.27 km) |
| Basel to Oberstdorf | 125.94 mi (202.67 km) |
| Basel to Obertraubling | 231.94 mi (373.26 km) |
| Basel to Obertshausen | 182.53 mi (293.76 km) |
| Basel to Oberursel | 188.40 mi (303.21 km) |
| Basel to Ochsenfurt | 183.71 mi (295.65 km) |
| Basel to Ochsenhausen | 115.08 mi (185.20 km) |
| Basel to Ochtrup | 321.84 mi (517.95 km) |
| Basel to Odenthal | 241.29 mi (388.32 km) |
| Basel to Oelde | 296.68 mi (477.45 km) |
| Basel to Oelsnitz | 286.53 mi (461.12 km) |
| Basel to Oer-Erkenschwick | 282.83 mi (455.17 km) |
