| Heist-op-den-Berg to Obernburg am Main | 212.69 mi (342.29 km) |
| Heist-op-den-Berg to Obernkirchen | 205.48 mi (330.69 km) |
| Heist-op-den-Berg to Oberschleissheim | 363.31 mi (584.70 km) |
| Heist-op-den-Berg to Oberstdorf | 356.70 mi (574.06 km) |
| Heist-op-den-Berg to Obertraubling | 361.41 mi (581.64 km) |
| Heist-op-den-Berg to Obertshausen | 193.77 mi (311.85 km) |
| Heist-op-den-Berg to Oberursel | 179.71 mi (289.21 km) |
| Heist-op-den-Berg to Ochsenfurt | 255.66 mi (411.45 km) |
| Heist-op-den-Berg to Ochsenhausen | 313.25 mi (504.13 km) |
| Heist-op-den-Berg to Ochtrup | 131.37 mi (211.42 km) |
| Heist-op-den-Berg to Odenthal | 104.28 mi (167.82 km) |
| Heist-op-den-Berg to Oelde | 156.61 mi (252.04 km) |
| Heist-op-den-Berg to Oelsnitz | 328.78 mi (529.11 km) |
| Heist-op-den-Berg to Oer-Erkenschwick | 115.94 mi (186.58 km) |
| Heist-op-den-Berg to Oerlinghausen | 180.41 mi (290.34 km) |
