| Mohnesee to Oestrich-Winkel | 103.51 mi (166.58 km) |
| Mohnesee to Offenburg | 209.47 mi (337.12 km) |
| Mohnesee to Oftersheim | 148.19 mi (238.49 km) |
| Mohnesee to Ohrdruf | 121.82 mi (196.05 km) |
| Mohnesee to Ohringen | 169.72 mi (273.14 km) |
| Mohnesee to Olbernhau | 232.92 mi (374.85 km) |
| Mohnesee to Olching | 268.28 mi (431.75 km) |
| Mohnesee to Oldenburg | 113.93 mi (183.35 km) |
| Mohnesee to Oldenburg in Holstein | 225.13 mi (362.32 km) |
| Mohnesee to Olfen | 35.51 mi (57.15 km) |
| Mohnesee to Olpe | 35.51 mi (57.15 km) |
| Mohnesee to Olsberg | 18.23 mi (29.34 km) |
| Mohnesee to Oranienburg | 233.34 mi (375.53 km) |
| Mohnesee to Ortenberg | 88.46 mi (142.37 km) |
| Mohnesee to Oschatz | 214.91 mi (345.87 km) |