| Delaware to Manor (Texas) | 1,062.43 mi (1,709.81 km) |
| Delaware to Manorville (New York) | 540.80 mi (870.33 km) |
| Delaware to Mansfield (Ohio) | 43.89 mi (70.63 km) |
| Delaware to Mansfield (Texas) | 943.70 mi (1,518.74 km) |
| Delaware to Manteca (California) | 2,038.90 mi (3,281.30 km) |
| Delaware to Manville (New Jersey) | 446.54 mi (718.64 km) |
| Delaware to Maple Grove (Minnesota) | 623.25 mi (1,003.02 km) |
| Delaware to Maple Heights (Ohio) | 110.79 mi (178.31 km) |
| Delaware to Maple Valley (Washington) | 1,980.55 mi (3,187.38 km) |
| Delaware to Mapleton (Utah) | 1,497.49 mi (2,409.98 km) |
| Delaware to Maplewood (Minnesota) | 600.37 mi (966.20 km) |
| Delaware to Marana (Arizona) | 1,645.63 mi (2,648.38 km) |
| Delaware to Marco Island (Florida) | 994.78 mi (1,600.95 km) |
| Delaware to Margate (Florida) | 983.80 mi (1,583.27 km) |
| Delaware to Maricopa (Arizona) | 1,670.95 mi (2,689.13 km) |
