| Herndon to Medford (New York) | 266.03 mi (428.13 km) |
| Herndon to Medford (Oregon) | 2,366.25 mi (3,808.10 km) |
| Herndon to Medina (Ohio) | 280.31 mi (451.11 km) |
| Herndon to Medulla (Florida) | 805.47 mi (1,296.28 km) |
| Herndon to Mehlville (Missouri) | 696.94 mi (1,121.61 km) |
| Herndon to Melbourne (Florida) | 773.63 mi (1,245.04 km) |
| Herndon to Melissa (Texas) | 1,136.85 mi (1,829.58 km) |
| Herndon to Melrose (Massachusetts) | 409.47 mi (658.98 km) |
| Herndon to Melrose Park (Illinois) | 586.57 mi (944.00 km) |
| Herndon to Melville (New York) | 245.26 mi (394.71 km) |
| Herndon to Melvindale (Michigan) | 380.05 mi (611.63 km) |
| Herndon to Memphis (Florida) | 843.78 mi (1,357.93 km) |
| Herndon to Memphis (Tennessee) | 742.51 mi (1,194.95 km) |
| Herndon to Menasha (Wisconsin) | 674.90 mi (1,086.14 km) |
| Herndon to Mendota (California) | 2,328.27 mi (3,747.00 km) |
