| Half Moon Bay to Grottaferrata | 6,273.35 mi (10,095.98 km) |
| Half Moon Bay to Grottaglie | 6,479.40 mi (10,427.58 km) |
| Half Moon Bay to Grottammare | 6,238.03 mi (10,039.14 km) |
| Half Moon Bay to Grugliasco | 5,940.17 mi (9,559.77 km) |
| Half Moon Bay to Grumo Appula | 6,430.98 mi (10,349.67 km) |
| Half Moon Bay to Grumo Nevano | 6,368.28 mi (10,248.76 km) |
| Half Moon Bay to Gualdo Tadino | 6,193.78 mi (9,967.93 km) |
| Half Moon Bay to Guardiagrele | 6,293.48 mi (10,128.38 km) |
| Half Moon Bay to Guastalla | 6,038.35 mi (9,717.79 km) |
| Half Moon Bay to Gubbio | 6,181.00 mi (9,947.36 km) |
| Half Moon Bay to Guspini | 6,277.62 mi (10,102.85 km) |
| Half Moon Bay to Gussago | 5,985.34 mi (9,632.48 km) |
| Half Moon Bay to Iesi | 6,189.87 mi (9,961.64 km) |
| Half Moon Bay to Iesolo | 6,058.30 mi (9,749.89 km) |
| Half Moon Bay to Iglesias | 6,286.40 mi (10,116.99 km) |
