| Holyhead to Gavardo | 859.03 mi (1,382.47 km) |
| Holyhead to Gavirate | 787.24 mi (1,266.94 km) |
| Holyhead to Gavorrano | 1,010.13 mi (1,625.66 km) |
| Holyhead to Gela | 1,441.56 mi (2,319.97 km) |
| Holyhead to Gemona del Friuli | 925.46 mi (1,489.39 km) |
| Holyhead to Genoa | 868.01 mi (1,396.93 km) |
| Holyhead to Genzano di Roma | 1,133.17 mi (1,823.66 km) |
| Holyhead to Gessate | 826.24 mi (1,329.71 km) |
| Holyhead to Ghedi | 862.46 mi (1,388.00 km) |
| Holyhead to Giarre | 1,431.90 mi (2,304.43 km) |
| Holyhead to Giaveno | 784.96 mi (1,263.27 km) |
| Holyhead to Giffoni Valle Piana | 1,259.74 mi (2,027.36 km) |
| Holyhead to Ginosa | 1,333.04 mi (2,145.32 km) |
| Holyhead to Gioia del Colle | 1,323.93 mi (2,130.65 km) |
| Holyhead to Gioia Tauro | 1,415.53 mi (2,278.07 km) |
