| Gmunden to Obernburg am Main | 249.79 mi (402.00 km) |
| Gmunden to Obernkirchen | 364.97 mi (587.37 km) |
| Gmunden to Oberschleissheim | 105.57 mi (169.90 km) |
| Gmunden to Oberstdorf | 167.51 mi (269.59 km) |
| Gmunden to Obertraubling | 104.11 mi (167.54 km) |
| Gmunden to Obertshausen | 269.59 mi (433.87 km) |
| Gmunden to Oberursel | 284.21 mi (457.39 km) |
| Gmunden to Ochsenfurt | 207.80 mi (334.42 km) |
| Gmunden to Ochsenhausen | 178.37 mi (287.06 km) |
| Gmunden to Ochtrup | 416.44 mi (670.20 km) |
| Gmunden to Odenthal | 369.01 mi (593.86 km) |
| Gmunden to Oelde | 369.18 mi (594.15 km) |
| Gmunden to Oelsnitz | 187.72 mi (302.11 km) |
| Gmunden to Oer-Erkenschwick | 389.05 mi (626.11 km) |
| Gmunden to Oerlinghausen | 360.84 mi (580.71 km) |
