| Belfast to Giovinazzo | 1,386.96 mi (2,232.10 km) |
| Belfast to Giugliano in Campania | 1,319.41 mi (2,123.39 km) |
| Belfast to Giulianova | 1,213.96 mi (1,953.68 km) |
| Belfast to Giussano | 906.22 mi (1,458.41 km) |
| Belfast to Goito | 976.48 mi (1,571.49 km) |
| Belfast to Gonzaga | 996.72 mi (1,604.07 km) |
| Belfast to Gorgonzola | 920.71 mi (1,481.74 km) |
| Belfast to Gorizia | 1,044.86 mi (1,681.54 km) |
| Belfast to Gragnano | 1,342.54 mi (2,160.61 km) |
| Belfast to Grammichele | 1,543.69 mi (2,484.32 km) |
| Belfast to Granarolo del l'Emilia | 1,038.05 mi (1,670.58 km) |
| Belfast to Gravina in Puglia | 1,397.99 mi (2,249.85 km) |
| Belfast to Grezzana | 974.70 mi (1,568.62 km) |
| Belfast to Gricignano d'Aversa | 1,315.29 mi (2,116.76 km) |
| Belfast to Grosseto | 1,121.88 mi (1,805.49 km) |
