| Keystone to Mechernich | 4,710.89 mi (7,581.45 km) |
| Keystone to Meckenbeuren | 4,902.41 mi (7,889.67 km) |
| Keystone to Meckenheim | 4,725.43 mi (7,604.84 km) |
| Keystone to Meerane | 4,943.48 mi (7,955.76 km) |
| Keystone to Meerbusch | 4,697.27 mi (7,559.53 km) |
| Keystone to Meine | 4,827.96 mi (7,769.85 km) |
| Keystone to Meinerzhagen | 4,740.26 mi (7,628.71 km) |
| Keystone to Meiningen | 4,867.80 mi (7,833.96 km) |
| Keystone to Meissen | 4,976.12 mi (8,008.30 km) |
| Keystone to Meitingen | 4,935.86 mi (7,943.49 km) |
| Keystone to Melle | 4,744.72 mi (7,635.89 km) |
| Keystone to Melsungen | 4,818.28 mi (7,754.28 km) |
| Keystone to Memmelsdorf | 4,905.29 mi (7,894.30 km) |
| Keystone to Memmingen | 4,921.88 mi (7,921.00 km) |
| Keystone to Mendig | 4,742.13 mi (7,631.73 km) |
