| Herndon to Germantown (Tennessee) | 733.83 mi (1,180.99 km) |
| Herndon to Germantown (Wisconsin) | 631.13 mi (1,015.71 km) |
| Herndon to Gibsonton (Florida) | 821.62 mi (1,322.28 km) |
| Herndon to Gig Harbor (Washington) | 2,316.18 mi (3,727.54 km) |
| Herndon to Gilbert (Arizona) | 1,944.67 mi (3,129.65 km) |
| Herndon to Gillette (Wyoming) | 1,489.50 mi (2,397.12 km) |
| Herndon to Gilroy (California) | 2,387.00 mi (3,841.51 km) |
| Herndon to Gladeview (Florida) | 922.19 mi (1,484.11 km) |
| Herndon to Gladstone (Missouri) | 919.67 mi (1,480.06 km) |
| Herndon to Gladstone (Oregon) | 2,325.19 mi (3,742.04 km) |
| Herndon to Glasgow (Delaware) | 97.93 mi (157.60 km) |
| Herndon to Glasgow (Kentucky) | 484.23 mi (779.29 km) |
| Herndon to Glassboro (New Jersey) | 131.68 mi (211.91 km) |
| Herndon to Glassmanor (Maryland) | 24.10 mi (38.78 km) |
| Herndon to Glen Allen (Virginia) | 90.24 mi (145.23 km) |
