| Holyhead to Gaeta | 1,187.75 mi (1,911.51 km) |
| Holyhead to Gaggiano | 820.08 mi (1,319.79 km) |
| Holyhead to Galatina | 1,399.81 mi (2,252.78 km) |
| Holyhead to Galatone | 1,397.14 mi (2,248.48 km) |
| Holyhead to Galbiate | 812.30 mi (1,307.27 km) |
| Holyhead to Gallarate | 798.94 mi (1,285.76 km) |
| Holyhead to Galliate | 805.01 mi (1,295.55 km) |
| Holyhead to Gallipoli | 1,399.37 mi (2,252.07 km) |
| Holyhead to Gambettola | 996.46 mi (1,603.64 km) |
| Holyhead to Gambolo | 821.84 mi (1,322.62 km) |
| Holyhead to Garbagnate Milanese | 813.02 mi (1,308.44 km) |
| Holyhead to Gardone Val Trompia | 845.54 mi (1,360.76 km) |
| Holyhead to Garlasco | 826.53 mi (1,330.17 km) |
| Holyhead to Gassino Torinese | 795.15 mi (1,279.67 km) |
| Holyhead to Gatteo | 999.02 mi (1,607.76 km) |
