| Delaware to Morristown (New Jersey) | 452.60 mi (728.38 km) |
| Delaware to Morristown (Tennessee) | 282.22 mi (454.19 km) |
| Delaware to Morrisville (North Carolina) | 384.14 mi (618.21 km) |
| Delaware to Morro Bay (California) | 2,073.34 mi (3,336.71 km) |
| Delaware to Morton (Illinois) | 336.82 mi (542.05 km) |
| Delaware to Morton Grove (Illinois) | 273.60 mi (440.32 km) |
| Delaware to Moscow (Idaho) | 1,742.59 mi (2,804.42 km) |
| Delaware to Moses Lake (Washington) | 1,850.89 mi (2,978.72 km) |
| Delaware to Moss Bluff (Louisiana) | 894.23 mi (1,439.13 km) |
| Delaware to Moss Point (Mississippi) | 747.05 mi (1,202.26 km) |
| Delaware to Moultrie (Georgia) | 631.75 mi (1,016.70 km) |
| Delaware to Mounds View (Minnesota) | 612.31 mi (985.42 km) |
| Delaware to Mount Airy (North Carolina) | 292.92 mi (471.41 km) |
| Delaware to Mount Clemens (Michigan) | 160.09 mi (257.65 km) |
| Delaware to Mount Dora (Florida) | 796.75 mi (1,282.25 km) |
