| Herndon to Grottaferrata | 4,509.02 mi (7,256.56 km) |
| Herndon to Grottaglie | 4,764.45 mi (7,667.64 km) |
| Herndon to Grottammare | 4,518.17 mi (7,271.29 km) |
| Herndon to Grugliasco | 4,175.55 mi (6,719.89 km) |
| Herndon to Grumo Appula | 4,714.01 mi (7,586.46 km) |
| Herndon to Grumo Nevano | 4,610.43 mi (7,419.77 km) |
| Herndon to Gualdo Tadino | 4,462.68 mi (7,181.99 km) |
| Herndon to Guardiagrele | 4,561.89 mi (7,341.65 km) |
| Herndon to Guastalla | 4,313.81 mi (6,942.40 km) |
| Herndon to Gubbio | 4,449.20 mi (7,160.30 km) |
| Herndon to Guspini | 4,406.24 mi (7,091.16 km) |
| Herndon to Gussago | 4,269.21 mi (6,870.62 km) |
| Herndon to Iesi | 4,472.15 mi (7,197.23 km) |
| Herndon to Iesolo | 4,377.12 mi (7,044.29 km) |
| Herndon to Iglesias | 4,409.15 mi (7,095.85 km) |
