| Grunheide to Obernburg am Main | 270.29 mi (434.99 km) |
| Grunheide to Obernkirchen | 198.86 mi (320.03 km) |
| Grunheide to Oberschleissheim | 305.13 mi (491.06 km) |
| Grunheide to Oberstdorf | 380.62 mi (612.54 km) |
| Grunheide to Obertraubling | 249.77 mi (401.96 km) |
| Grunheide to Obertshausen | 270.33 mi (435.05 km) |
| Grunheide to Oberursel | 273.57 mi (440.27 km) |
| Grunheide to Ochsenfurt | 251.74 mi (405.13 km) |
| Grunheide to Ochsenhausen | 345.97 mi (556.79 km) |
| Grunheide to Ochtrup | 280.45 mi (451.35 km) |
| Grunheide to Odenthal | 302.54 mi (486.90 km) |
| Grunheide to Oelde | 244.00 mi (392.68 km) |
| Grunheide to Oelsnitz | 156.05 mi (251.14 km) |
| Grunheide to Oer-Erkenschwick | 284.44 mi (457.76 km) |
| Grunheide to Oerlinghausen | 220.61 mi (355.03 km) |
