| Holbaek to Obernburg am Main | 419.98 mi (675.89 km) |
| Holbaek to Obernkirchen | 260.70 mi (419.56 km) |
| Holbaek to Oberschleissheim | 515.87 mi (830.20 km) |
| Holbaek to Oberstdorf | 577.19 mi (928.89 km) |
| Holbaek to Obertraubling | 466.74 mi (751.15 km) |
| Holbaek to Obertshausen | 408.37 mi (657.21 km) |
| Holbaek to Oberursel | 402.63 mi (647.97 km) |
| Holbaek to Ochsenfurt | 424.76 mi (683.58 km) |
| Holbaek to Ochsenhausen | 533.45 mi (858.51 km) |
| Holbaek to Ochtrup | 304.43 mi (489.93 km) |
| Holbaek to Odenthal | 374.92 mi (603.37 km) |
| Holbaek to Oelde | 305.24 mi (491.24 km) |
| Holbaek to Oelsnitz | 366.58 mi (589.95 km) |
| Holbaek to Oer-Erkenschwick | 335.56 mi (540.02 km) |
| Holbaek to Oerlinghausen | 287.36 mi (462.45 km) |
