| Southborough to Grottaferrata | 873.89 mi (1,406.40 km) |
| Southborough to Grottaglie | 1,100.45 mi (1,771.01 km) |
| Southborough to Grottammare | 850.94 mi (1,369.46 km) |
| Southborough to Grugliasco | 538.84 mi (867.19 km) |
| Southborough to Grumo Appula | 1,049.90 mi (1,689.66 km) |
| Southborough to Grumo Nevano | 971.53 mi (1,563.53 km) |
| Southborough to Gualdo Tadino | 801.32 mi (1,289.60 km) |
| Southborough to Guardiagrele | 903.09 mi (1,453.38 km) |
| Southborough to Guastalla | 644.63 mi (1,037.43 km) |
| Southborough to Gubbio | 788.01 mi (1,268.18 km) |
| Southborough to Guspini | 898.87 mi (1,446.60 km) |
| Southborough to Gussago | 593.53 mi (955.20 km) |
| Southborough to Iesi | 802.51 mi (1,291.51 km) |
| Southborough to Iesolo | 687.29 mi (1,106.09 km) |
| Southborough to Iglesias | 910.45 mi (1,465.23 km) |
