| Mayenne to Oestrich-Winkel | 406.26 mi (653.82 km) |
| Mayenne to Offenburg | 392.15 mi (631.10 km) |
| Mayenne to Oftersheim | 424.49 mi (683.15 km) |
| Mayenne to Ohrdruf | 536.90 mi (864.06 km) |
| Mayenne to Ohringen | 464.52 mi (747.57 km) |
| Mayenne to Olbernhau | 645.89 mi (1,039.46 km) |
| Mayenne to Olching | 548.37 mi (882.51 km) |
| Mayenne to Oldenburg | 510.19 mi (821.07 km) |
| Mayenne to Oldenburg in Holstein | 645.42 mi (1,038.70 km) |
| Mayenne to Olfen | 425.91 mi (685.44 km) |
| Mayenne to Olpe | 421.42 mi (678.21 km) |
| Mayenne to Olsberg | 456.42 mi (734.54 km) |
| Mayenne to Oranienburg | 680.14 mi (1,094.57 km) |
| Mayenne to Ortenberg | 457.50 mi (736.28 km) |
| Mayenne to Oschatz | 644.82 mi (1,037.74 km) |
