| Gaithersburg to Grottaferrata | 4,494.88 mi (7,233.81 km) |
| Gaithersburg to Grottaglie | 4,750.25 mi (7,644.78 km) |
| Gaithersburg to Grottammare | 4,503.92 mi (7,248.36 km) |
| Gaithersburg to Grugliasco | 4,161.33 mi (6,697.01 km) |
| Gaithersburg to Grumo Appula | 4,699.79 mi (7,563.59 km) |
| Gaithersburg to Grumo Nevano | 4,596.30 mi (7,397.03 km) |
| Gaithersburg to Gualdo Tadino | 4,448.44 mi (7,159.08 km) |
| Gaithersburg to Guardiagrele | 4,547.68 mi (7,318.78 km) |
| Gaithersburg to Guastalla | 4,299.52 mi (6,919.41 km) |
| Gaithersburg to Gubbio | 4,434.96 mi (7,137.39 km) |
| Gaithersburg to Guspini | 4,392.41 mi (7,068.90 km) |
| Gaithersburg to Gussago | 4,254.89 mi (6,847.59 km) |
| Gaithersburg to Iesi | 4,457.88 mi (7,174.27 km) |
| Gaithersburg to Iesolo | 4,362.75 mi (7,021.17 km) |
| Gaithersburg to Iglesias | 4,395.34 mi (7,073.62 km) |
