| Herndon to Manor (Texas) | 1,285.80 mi (2,069.29 km) |
| Herndon to Manorville (New York) | 276.19 mi (444.49 km) |
| Herndon to Mansfield (Ohio) | 299.46 mi (481.94 km) |
| Herndon to Mansfield (Texas) | 1,188.34 mi (1,912.44 km) |
| Herndon to Manteca (California) | 2,352.64 mi (3,786.21 km) |
| Herndon to Manville (New Jersey) | 184.05 mi (296.19 km) |
| Herndon to Maple Grove (Minnesota) | 925.30 mi (1,489.12 km) |
| Herndon to Maple Heights (Ohio) | 277.41 mi (446.45 km) |
| Herndon to Maple Valley (Washington) | 2,289.93 mi (3,685.28 km) |
| Herndon to Mapleton (Utah) | 1,811.99 mi (2,916.12 km) |
| Herndon to Maplewood (Minnesota) | 902.25 mi (1,452.03 km) |
| Herndon to Marana (Arizona) | 1,935.90 mi (3,115.53 km) |
| Herndon to Marco Island (Florida) | 934.87 mi (1,504.53 km) |
| Herndon to Margate (Florida) | 894.20 mi (1,439.08 km) |
| Herndon to Maricopa (Arizona) | 1,965.25 mi (3,162.77 km) |
