| Delaware to Miami Lakes (Florida) | 1,005.60 mi (1,618.36 km) |
| Delaware to Miami Shores (Florida) | 1,010.04 mi (1,625.50 km) |
| Delaware to Miami Springs (Florida) | 1,012.25 mi (1,629.05 km) |
| Delaware to Miamisburg (Ohio) | 77.86 mi (125.30 km) |
| Delaware to Michigan City (Indiana) | 220.98 mi (355.63 km) |
| Delaware to Middle Island (New York) | 532.79 mi (857.44 km) |
| Delaware to Middle River (Maryland) | 358.72 mi (577.30 km) |
| Delaware to Middle Valley (Tennessee) | 370.75 mi (596.67 km) |
| Delaware to Middleburg (Florida) | 710.24 mi (1,143.02 km) |
| Delaware to Middleburg Heights (Ohio) | 99.74 mi (160.51 km) |
| Delaware to Middlesex (New Jersey) | 451.15 mi (726.06 km) |
| Delaware to Middleton (Wisconsin) | 384.68 mi (619.08 km) |
| Delaware to Middletown (Connecticut) | 550.60 mi (886.10 km) |
| Delaware to Middletown (Delaware) | 394.28 mi (634.52 km) |
| Delaware to Middletown (New York) | 458.86 mi (738.46 km) |
