| Grunheide to Oestrich-Winkel | 302.51 mi (486.85 km) |
| Grunheide to Offenburg | 376.55 mi (605.99 km) |
| Grunheide to Oftersheim | 310.75 mi (500.10 km) |
| Grunheide to Ohrdruf | 172.45 mi (277.53 km) |
| Grunheide to Ohringen | 291.93 mi (469.81 km) |
| Grunheide to Olbernhau | 123.33 mi (198.48 km) |
| Grunheide to Olching | 312.14 mi (502.35 km) |
| Grunheide to Oldenburg | 239.52 mi (385.47 km) |
| Grunheide to Oldenburg in Holstein | 177.35 mi (285.42 km) |
| Grunheide to Olfen | 277.74 mi (446.98 km) |
| Grunheide to Olpe | 274.12 mi (441.16 km) |
| Grunheide to Olsberg | 239.45 mi (385.36 km) |
| Grunheide to Oranienburg | 33.48 mi (53.89 km) |
| Grunheide to Ortenberg | 250.32 mi (402.85 km) |
| Grunheide to Oschatz | 83.52 mi (134.42 km) |
