| Grevesmuhlen to Oestrich-Winkel | 299.22 mi (481.55 km) |
| Grevesmuhlen to Offenburg | 398.43 mi (641.21 km) |
| Grevesmuhlen to Oftersheim | 329.75 mi (530.68 km) |
| Grevesmuhlen to Ohrdruf | 210.74 mi (339.16 km) |
| Grevesmuhlen to Ohringen | 330.27 mi (531.53 km) |
| Grevesmuhlen to Olbernhau | 239.30 mi (385.11 km) |
| Grevesmuhlen to Olching | 391.59 mi (630.20 km) |
| Grevesmuhlen to Oldenburg | 131.20 mi (211.15 km) |
| Grevesmuhlen to Oldenburg in Holstein | 32.07 mi (51.61 km) |
| Grevesmuhlen to Olfen | 216.87 mi (349.02 km) |
| Grevesmuhlen to Olpe | 241.78 mi (389.11 km) |
| Grevesmuhlen to Olsberg | 207.12 mi (333.33 km) |
| Grevesmuhlen to Oranienburg | 114.93 mi (184.96 km) |
| Grevesmuhlen to Ortenberg | 258.57 mi (416.12 km) |
| Grevesmuhlen to Oschatz | 195.12 mi (314.02 km) |
