| Hollabrunn to Obernburg am Main | 325.36 mi (523.62 km) |
| Hollabrunn to Obernkirchen | 398.93 mi (642.01 km) |
| Hollabrunn to Oberschleissheim | 208.28 mi (335.19 km) |
| Hollabrunn to Oberstdorf | 279.97 mi (450.57 km) |
| Hollabrunn to Obertraubling | 180.46 mi (290.42 km) |
| Hollabrunn to Obertshausen | 342.43 mi (551.09 km) |
| Hollabrunn to Oberursel | 355.87 mi (572.71 km) |
| Hollabrunn to Ochsenfurt | 282.15 mi (454.08 km) |
| Hollabrunn to Ochsenhausen | 283.87 mi (456.84 km) |
| Hollabrunn to Ochtrup | 465.02 mi (748.38 km) |
| Hollabrunn to Odenthal | 434.32 mi (698.97 km) |
| Hollabrunn to Oelde | 416.84 mi (670.84 km) |
| Hollabrunn to Oelsnitz | 217.29 mi (349.70 km) |
| Hollabrunn to Oer-Erkenschwick | 444.96 mi (716.10 km) |
| Hollabrunn to Oerlinghausen | 402.77 mi (648.19 km) |
