| Delaware to Mendota Heights (Minnesota) | 601.90 mi (968.66 km) |
| Delaware to Menifee (California) | 1,924.15 mi (3,096.62 km) |
| Delaware to Menlo Park (California) | 2,094.72 mi (3,371.12 km) |
| Delaware to Menomonee Falls (Wisconsin) | 326.92 mi (526.13 km) |
| Delaware to Menomonie (Wisconsin) | 550.08 mi (885.27 km) |
| Delaware to Mentor (Ohio) | 132.77 mi (213.67 km) |
| Delaware to Mequon (Wisconsin) | 324.83 mi (522.77 km) |
| Delaware to Merced (California) | 2,009.73 mi (3,234.35 km) |
| Delaware to Mercedes (Texas) | 1,295.86 mi (2,085.48 km) |
| Delaware to Mercer Island (Washington) | 1,989.65 mi (3,202.03 km) |
| Delaware to Mercerville (New Jersey) | 441.82 mi (711.04 km) |
| Delaware to Meriden (Connecticut) | 543.34 mi (874.41 km) |
| Delaware to Meridian (Idaho) | 1,716.10 mi (2,761.79 km) |
| Delaware to Meridian (Mississippi) | 628.68 mi (1,011.76 km) |
| Delaware to Merriam (Kansas) | 623.81 mi (1,003.92 km) |
