| Herndon to Myrtle Grove (North Carolina) | 336.02 mi (540.77 km) |
| Herndon to Nacogdoches (Texas) | 1,095.82 mi (1,763.56 km) |
| Herndon to Nampa (Idaho) | 2,039.86 mi (3,282.84 km) |
| Herndon to Nanakuli (Hawaii) | 4,821.30 mi (7,759.13 km) |
| Herndon to Nanticoke (Pennsylvania) | 170.65 mi (274.64 km) |
| Herndon to Nanuet (New York) | 231.01 mi (371.78 km) |
| Herndon to Napa (California) | 2,399.49 mi (3,861.61 km) |
| Herndon to Naperville (Illinois) | 598.60 mi (963.35 km) |
| Herndon to Naples (Florida) | 921.83 mi (1,483.55 km) |
| Herndon to Naranja (Florida) | 946.15 mi (1,522.69 km) |
| Herndon to Nashua (New Hampshire) | 403.67 mi (649.65 km) |
| Herndon to Nashville (Tennessee) | 549.43 mi (884.22 km) |
| Herndon to Natchez (Mississippi) | 940.19 mi (1,513.09 km) |
| Herndon to Natchitoches (Louisiana) | 1,014.76 mi (1,633.10 km) |
| Herndon to National City (California) | 2,248.87 mi (3,619.21 km) |
