| Thornton to Grottaferrata | 1,064.42 mi (1,713.02 km) |
| Thornton to Grottaglie | 1,280.23 mi (2,060.33 km) |
| Thornton to Grottammare | 1,033.24 mi (1,662.84 km) |
| Thornton to Grugliasco | 735.29 mi (1,183.33 km) |
| Thornton to Grumo Appula | 1,230.31 mi (1,979.99 km) |
| Thornton to Grumo Nevano | 1,159.81 mi (1,866.53 km) |
| Thornton to Gualdo Tadino | 986.48 mi (1,587.58 km) |
| Thornton to Guardiagrele | 1,087.33 mi (1,749.88 km) |
| Thornton to Guastalla | 830.23 mi (1,336.13 km) |
| Thornton to Gubbio | 973.47 mi (1,566.65 km) |
| Thornton to Guspini | 1,100.66 mi (1,771.35 km) |
| Thornton to Gussago | 777.63 mi (1,251.48 km) |
| Thornton to Iesi | 984.74 mi (1,584.79 km) |
| Thornton to Iesolo | 860.62 mi (1,385.04 km) |
| Thornton to Iglesias | 1,112.39 mi (1,790.22 km) |
