| Messkirch to Oestrich-Winkel | 147.56 mi (237.48 km) |
| Messkirch to Offenburg | 63.39 mi (102.01 km) |
| Messkirch to Oftersheim | 98.19 mi (158.03 km) |
| Messkirch to Ohrdruf | 208.99 mi (336.34 km) |
| Messkirch to Ohringen | 85.27 mi (137.23 km) |
| Messkirch to Olbernhau | 264.97 mi (426.43 km) |
| Messkirch to Olching | 102.71 mi (165.30 km) |
| Messkirch to Oldenburg | 358.08 mi (576.27 km) |
| Messkirch to Oldenburg in Holstein | 442.45 mi (712.06 km) |
| Messkirch to Olfen | 268.56 mi (432.20 km) |
| Messkirch to Olpe | 216.66 mi (348.68 km) |
| Messkirch to Olsberg | 233.66 mi (376.04 km) |
| Messkirch to Oranienburg | 375.71 mi (604.65 km) |
| Messkirch to Ortenberg | 163.29 mi (262.79 km) |
| Messkirch to Oschatz | 290.02 mi (466.74 km) |
