| Holyhead to Giovinazzo | 1,294.97 mi (2,084.06 km) |
| Holyhead to Giugliano in Campania | 1,223.72 mi (1,969.38 km) |
| Holyhead to Giulianova | 1,120.76 mi (1,803.70 km) |
| Holyhead to Giussano | 811.51 mi (1,306.01 km) |
| Holyhead to Goito | 883.20 mi (1,421.38 km) |
| Holyhead to Gonzaga | 903.02 mi (1,453.27 km) |
| Holyhead to Gorgonzola | 825.94 mi (1,329.22 km) |
| Holyhead to Gorizia | 958.63 mi (1,542.77 km) |
| Holyhead to Gragnano | 1,246.94 mi (2,006.75 km) |
| Holyhead to Grammichele | 1,444.66 mi (2,324.96 km) |
| Holyhead to Granarolo del l'Emilia | 944.52 mi (1,520.05 km) |
| Holyhead to Gravina in Puglia | 1,305.07 mi (2,100.31 km) |
| Holyhead to Grezzana | 882.67 mi (1,420.53 km) |
| Holyhead to Gricignano d'Aversa | 1,219.67 mi (1,962.88 km) |
| Holyhead to Grosseto | 1,024.70 mi (1,649.09 km) |
