| Herndon to Jeffersonville (Indiana) | 450.67 mi (725.28 km) |
| Herndon to Jenison (Michigan) | 517.34 mi (832.58 km) |
| Herndon to Jenks (Oklahoma) | 1,037.60 mi (1,669.86 km) |
| Herndon to Jennings (Missouri) | 692.61 mi (1,114.64 km) |
| Herndon to Jensen Beach (Florida) | 826.75 mi (1,330.53 km) |
| Herndon to Jericho (New York) | 239.42 mi (385.30 km) |
| Herndon to Jerome (Idaho) | 1,942.06 mi (3,125.45 km) |
| Herndon to Jersey City (New Jersey) | 213.47 mi (343.54 km) |
| Herndon to Jessup (Maryland) | 34.96 mi (56.26 km) |
| Herndon to Johns Creek (Georgia) | 509.27 mi (819.59 km) |
| Herndon to Johnson City (New York) | 230.32 mi (370.67 km) |
| Herndon to Johnson City (Tennessee) | 327.98 mi (527.84 km) |
| Herndon to Johnston (Iowa) | 879.33 mi (1,415.15 km) |
| Herndon to Johnstown (Colorado) | 1,463.20 mi (2,354.79 km) |
| Herndon to Johnstown (Pennsylvania) | 124.21 mi (199.89 km) |
