| San Marcos to Grottaferrata | 6,360.13 mi (10,235.64 km) |
| San Marcos to Grottaglie | 6,581.91 mi (10,592.57 km) |
| San Marcos to Grottammare | 6,335.04 mi (10,195.26 km) |
| San Marcos to Grugliasco | 6,020.97 mi (9,689.81 km) |
| San Marcos to Grumo Appula | 6,532.15 mi (10,512.47 km) |
| San Marcos to Grumo Nevano | 6,458.32 mi (10,393.67 km) |
| San Marcos to Gualdo Tadino | 6,287.29 mi (10,118.41 km) |
| San Marcos to Guardiagrele | 6,388.65 mi (10,281.53 km) |
| San Marcos to Guastalla | 6,130.61 mi (9,866.26 km) |
| San Marcos to Gubbio | 6,274.11 mi (10,097.20 km) |
| San Marcos to Guspini | 6,336.87 mi (10,198.21 km) |
| San Marcos to Gussago | 6,078.62 mi (9,782.59 km) |
| San Marcos to Iesi | 6,286.52 mi (10,117.18 km) |
| San Marcos to Iesolo | 6,161.13 mi (9,915.39 km) |
| San Marcos to Iglesias | 6,344.22 mi (10,210.03 km) |
