| Hofgeismar to Oestrich-Winkel | 119.37 mi (192.11 km) |
| Hofgeismar to Offenburg | 218.37 mi (351.43 km) |
| Hofgeismar to Oftersheim | 150.32 mi (241.91 km) |
| Hofgeismar to Ohrdruf | 73.38 mi (118.10 km) |
| Hofgeismar to Ohringen | 157.82 mi (253.99 km) |
| Hofgeismar to Olbernhau | 179.80 mi (289.37 km) |
| Hofgeismar to Olching | 242.38 mi (390.07 km) |
| Hofgeismar to Oldenburg | 125.19 mi (201.48 km) |
| Hofgeismar to Oldenburg in Holstein | 204.19 mi (328.61 km) |
| Hofgeismar to Olfen | 88.04 mi (141.68 km) |
| Hofgeismar to Olpe | 75.03 mi (120.75 km) |
| Hofgeismar to Olsberg | 40.56 mi (65.28 km) |
| Hofgeismar to Oranienburg | 184.93 mi (297.61 km) |
| Hofgeismar to Ortenberg | 79.34 mi (127.68 km) |
| Hofgeismar to Oschatz | 160.31 mi (258.00 km) |
