| Harrison to Morristown (New Jersey) | 42.57 mi (68.50 km) |
| Harrison to Morristown (Tennessee) | 614.58 mi (989.08 km) |
| Harrison to Morrisville (North Carolina) | 452.68 mi (728.52 km) |
| Harrison to Morro Bay (California) | 2,557.46 mi (4,115.83 km) |
| Harrison to Morton (Illinois) | 822.79 mi (1,324.16 km) |
| Harrison to Morton Grove (Illinois) | 730.27 mi (1,175.25 km) |
| Harrison to Moscow (Idaho) | 2,163.08 mi (3,481.14 km) |
| Harrison to Moses Lake (Washington) | 2,267.14 mi (3,648.60 km) |
| Harrison to Moss Bluff (Louisiana) | 1,316.13 mi (2,118.11 km) |
| Harrison to Moss Point (Mississippi) | 1,104.57 mi (1,777.63 km) |
| Harrison to Moultrie (Georgia) | 881.58 mi (1,418.77 km) |
| Harrison to Mounds View (Minnesota) | 1,020.53 mi (1,642.38 km) |
| Harrison to Mount Airy (North Carolina) | 484.85 mi (780.29 km) |
| Harrison to Mount Clemens (Michigan) | 483.98 mi (778.89 km) |
| Harrison to Mount Dora (Florida) | 954.33 mi (1,535.84 km) |
