| Round Rock to Grottaferrata | 5,761.00 mi (9,271.44 km) |
| Round Rock to Grottaglie | 6,010.79 mi (9,673.43 km) |
| Round Rock to Grottammare | 5,761.67 mi (9,272.51 km) |
| Round Rock to Grugliasco | 5,422.64 mi (8,726.90 km) |
| Round Rock to Grumo Appula | 5,959.98 mi (9,591.65 km) |
| Round Rock to Grumo Nevano | 5,862.64 mi (9,435.01 km) |
| Round Rock to Gualdo Tadino | 5,707.56 mi (9,185.43 km) |
| Round Rock to Guardiagrele | 5,808.40 mi (9,347.71 km) |
| Round Rock to Guastalla | 5,554.95 mi (8,939.82 km) |
| Round Rock to Gubbio | 5,694.01 mi (9,163.63 km) |
| Round Rock to Guspini | 5,674.79 mi (9,132.69 km) |
| Round Rock to Gussago | 5,507.82 mi (8,863.98 km) |
| Round Rock to Iesi | 5,714.48 mi (9,196.56 km) |
| Round Rock to Iesolo | 5,610.05 mi (9,028.51 km) |
| Round Rock to Iglesias | 5,678.57 mi (9,138.78 km) |
