| Portchester to Gaeta | 965.56 mi (1,553.92 km) |
| Portchester to Gaggiano | 599.50 mi (964.80 km) |
| Portchester to Galatina | 1,183.94 mi (1,905.37 km) |
| Portchester to Galatone | 1,181.02 mi (1,900.67 km) |
| Portchester to Galbiate | 594.26 mi (956.37 km) |
| Portchester to Gallarate | 578.70 mi (931.34 km) |
| Portchester to Galliate | 583.88 mi (939.67 km) |
| Portchester to Gallipoli | 1,182.86 mi (1,903.63 km) |
| Portchester to Gambettola | 779.45 mi (1,254.40 km) |
| Portchester to Gambolo | 600.34 mi (966.15 km) |
| Portchester to Garbagnate Milanese | 593.21 mi (954.68 km) |
| Portchester to Gardone Val Trompia | 629.28 mi (1,012.73 km) |
| Portchester to Garlasco | 604.96 mi (973.59 km) |
| Portchester to Gassino Torinese | 571.12 mi (919.12 km) |
| Portchester to Gatteo | 782.07 mi (1,258.62 km) |
