| Bad Ischl to Obernburg am Main | 251.50 mi (404.74 km) |
| Bad Ischl to Obernkirchen | 372.81 mi (599.99 km) |
| Bad Ischl to Oberschleissheim | 102.16 mi (164.41 km) |
| Bad Ischl to Oberstdorf | 157.32 mi (253.18 km) |
| Bad Ischl to Obertraubling | 109.49 mi (176.20 km) |
| Bad Ischl to Obertshausen | 271.66 mi (437.19 km) |
| Bad Ischl to Oberursel | 286.37 mi (460.87 km) |
| Bad Ischl to Ochsenfurt | 210.37 mi (338.56 km) |
| Bad Ischl to Ochsenhausen | 172.09 mi (276.96 km) |
| Bad Ischl to Ochtrup | 421.82 mi (678.85 km) |
| Bad Ischl to Odenthal | 371.76 mi (598.29 km) |
| Bad Ischl to Oelde | 374.98 mi (603.46 km) |
| Bad Ischl to Oelsnitz | 198.20 mi (318.97 km) |
| Bad Ischl to Oer-Erkenschwick | 393.37 mi (633.06 km) |
| Bad Ischl to Oerlinghausen | 367.56 mi (591.53 km) |
