| Greenbelt to Grottaferrata | 4,486.02 mi (7,219.56 km) |
| Greenbelt to Grottaglie | 4,741.68 mi (7,631.00 km) |
| Greenbelt to Grottammare | 4,495.58 mi (7,234.93 km) |
| Greenbelt to Grugliasco | 4,152.85 mi (6,683.36 km) |
| Greenbelt to Grumo Appula | 4,691.26 mi (7,549.86 km) |
| Greenbelt to Grumo Nevano | 4,587.41 mi (7,382.72 km) |
| Greenbelt to Gualdo Tadino | 4,440.03 mi (7,145.54 km) |
| Greenbelt to Guardiagrele | 4,539.15 mi (7,305.05 km) |
| Greenbelt to Guastalla | 4,291.36 mi (6,906.28 km) |
| Greenbelt to Gubbio | 4,426.56 mi (7,123.86 km) |
| Greenbelt to Guspini | 4,382.37 mi (7,052.74 km) |
| Greenbelt to Gussago | 4,246.89 mi (6,834.70 km) |
| Greenbelt to Iesi | 4,449.62 mi (7,160.97 km) |
| Greenbelt to Iesolo | 4,355.03 mi (7,008.74 km) |
| Greenbelt to Iglesias | 4,385.22 mi (7,057.34 km) |
