| Prestwick to Grottaferrata | 1,225.80 mi (1,972.74 km) |
| Prestwick to Grottaglie | 1,439.52 mi (2,316.68 km) |
| Prestwick to Grottammare | 1,193.37 mi (1,920.54 km) |
| Prestwick to Grugliasco | 896.61 mi (1,442.95 km) |
| Prestwick to Grumo Appula | 1,389.80 mi (2,236.67 km) |
| Prestwick to Grumo Nevano | 1,320.90 mi (2,125.78 km) |
| Prestwick to Gualdo Tadino | 1,147.19 mi (1,846.22 km) |
| Prestwick to Guardiagrele | 1,247.79 mi (2,008.12 km) |
| Prestwick to Guastalla | 991.15 mi (1,595.10 km) |
| Prestwick to Gubbio | 1,134.24 mi (1,825.38 km) |
| Prestwick to Guspini | 1,259.46 mi (2,026.91 km) |
| Prestwick to Gussago | 938.40 mi (1,510.20 km) |
| Prestwick to Iesi | 1,144.91 mi (1,842.56 km) |
| Prestwick to Iesolo | 1,019.00 mi (1,639.92 km) |
| Prestwick to Iglesias | 1,270.91 mi (2,045.33 km) |
