| Keystone to Mill Creek East (Washington) | 2,509.78 mi (4,039.10 km) |
| Keystone to Mill Valley (California) | 2,390.59 mi (3,847.28 km) |
| Keystone to Millbrae (California) | 2,381.40 mi (3,832.50 km) |
| Keystone to Millbrook (Alabama) | 376.61 mi (606.10 km) |
| Keystone to Millcreek (Utah) | 1,866.15 mi (3,003.27 km) |
| Keystone to Milledgeville (Georgia) | 344.56 mi (554.51 km) |
| Keystone to Miller Place (New York) | 1,038.78 mi (1,671.76 km) |
| Keystone to Millington (Tennessee) | 656.61 mi (1,056.71 km) |
| Keystone to Millville (New Jersey) | 889.63 mi (1,431.72 km) |
| Keystone to Milpitas (California) | 2,352.70 mi (3,786.30 km) |
| Keystone to Milton (Georgia) | 427.03 mi (687.23 km) |
| Keystone to Milwaukee (Wisconsin) | 1,074.32 mi (1,728.94 km) |
| Keystone to Milwaukie (Oregon) | 2,482.17 mi (3,994.67 km) |
| Keystone to Minden (Louisiana) | 707.41 mi (1,138.46 km) |
| Keystone to Mineola (New York) | 1,008.86 mi (1,623.60 km) |
