| Herndon to Morristown (New Jersey) | 199.30 mi (320.74 km) |
| Herndon to Morristown (Tennessee) | 375.83 mi (604.84 km) |
| Herndon to Morrisville (North Carolina) | 230.60 mi (371.11 km) |
| Herndon to Morro Bay (California) | 2,383.15 mi (3,835.31 km) |
| Herndon to Morton (Illinois) | 650.76 mi (1,047.30 km) |
| Herndon to Morton Grove (Illinois) | 585.77 mi (942.70 km) |
| Herndon to Moscow (Idaho) | 2,053.32 mi (3,304.50 km) |
| Herndon to Moses Lake (Washington) | 2,160.81 mi (3,477.49 km) |
| Herndon to Moss Bluff (Louisiana) | 1,077.84 mi (1,734.61 km) |
| Herndon to Moss Point (Mississippi) | 864.32 mi (1,390.98 km) |
| Herndon to Moultrie (Georgia) | 648.89 mi (1,044.28 km) |
| Herndon to Mounds View (Minnesota) | 913.71 mi (1,470.47 km) |
| Herndon to Mount Airy (North Carolina) | 245.02 mi (394.32 km) |
| Herndon to Mount Clemens (Michigan) | 381.27 mi (613.60 km) |
| Herndon to Mount Dora (Florida) | 742.53 mi (1,194.98 km) |
