| Keystone to Miami Lakes (Florida) | 207.76 mi (334.35 km) |
| Keystone to Miami Shores (Florida) | 216.10 mi (347.78 km) |
| Keystone to Miami Springs (Florida) | 213.89 mi (344.22 km) |
| Keystone to Miamisburg (Ohio) | 800.37 mi (1,288.07 km) |
| Keystone to Michigan City (Indiana) | 968.47 mi (1,558.60 km) |
| Keystone to Middle Island (New York) | 1,037.06 mi (1,668.99 km) |
| Keystone to Middle River (Maryland) | 851.50 mi (1,370.36 km) |
| Keystone to Middle Valley (Tennessee) | 510.84 mi (822.12 km) |
| Keystone to Middleburg (Florida) | 139.14 mi (223.92 km) |
| Keystone to Middleburg Heights (Ohio) | 915.76 mi (1,473.77 km) |
| Keystone to Middlesex (New Jersey) | 974.91 mi (1,568.96 km) |
| Keystone to Middleton (Wisconsin) | 1,103.99 mi (1,776.69 km) |
| Keystone to Middletown (Connecticut) | 1,083.29 mi (1,743.39 km) |
| Keystone to Middletown (Delaware) | 875.20 mi (1,408.50 km) |
| Keystone to Middletown (New York) | 1,029.11 mi (1,656.20 km) |
