| Mayenne to Obernburg am Main | 453.78 mi (730.29 km) |
| Mayenne to Obernkirchen | 508.83 mi (818.89 km) |
| Mayenne to Oberschleissheim | 559.52 mi (900.47 km) |
| Mayenne to Oberstdorf | 508.32 mi (818.06 km) |
| Mayenne to Obertraubling | 584.67 mi (940.93 km) |
| Mayenne to Obertshausen | 443.34 mi (713.49 km) |
| Mayenne to Oberursel | 434.44 mi (699.16 km) |
| Mayenne to Ochsenfurt | 492.77 mi (793.04 km) |
| Mayenne to Ochsenhausen | 486.39 mi (782.77 km) |
| Mayenne to Ochtrup | 437.27 mi (703.72 km) |
| Mayenne to Odenthal | 393.52 mi (633.31 km) |
| Mayenne to Oelde | 458.39 mi (737.71 km) |
| Mayenne to Oelsnitz | 592.55 mi (953.61 km) |
| Mayenne to Oer-Erkenschwick | 418.41 mi (673.36 km) |
| Mayenne to Oerlinghausen | 482.16 mi (775.96 km) |
