| Hofgeismar to Obernburg am Main | 114.10 mi (183.63 km) |
| Hofgeismar to Obernkirchen | 55.43 mi (89.21 km) |
| Hofgeismar to Oberschleissheim | 243.32 mi (391.59 km) |
| Hofgeismar to Oberstdorf | 284.21 mi (457.39 km) |
| Hofgeismar to Obertraubling | 212.61 mi (342.16 km) |
| Hofgeismar to Obertshausen | 100.96 mi (162.48 km) |
| Hofgeismar to Oberursel | 95.45 mi (153.61 km) |
| Hofgeismar to Ochsenfurt | 130.00 mi (209.22 km) |
| Hofgeismar to Ochsenhausen | 236.95 mi (381.33 km) |
| Hofgeismar to Ochtrup | 106.71 mi (171.73 km) |
| Hofgeismar to Odenthal | 103.50 mi (166.57 km) |
| Hofgeismar to Oelde | 58.78 mi (94.60 km) |
| Hofgeismar to Oelsnitz | 141.18 mi (227.20 km) |
| Hofgeismar to Oer-Erkenschwick | 92.96 mi (149.61 km) |
| Hofgeismar to Oerlinghausen | 45.83 mi (73.76 km) |
