| Belfast to Gaeta | 1,283.87 mi (2,066.19 km) |
| Belfast to Gaggiano | 915.74 mi (1,473.74 km) |
| Belfast to Galatina | 1,491.35 mi (2,400.10 km) |
| Belfast to Galatone | 1,488.84 mi (2,396.06 km) |
| Belfast to Galbiate | 906.48 mi (1,458.83 km) |
| Belfast to Gallarate | 894.44 mi (1,439.46 km) |
| Belfast to Galliate | 901.06 mi (1,450.11 km) |
| Belfast to Gallipoli | 1,491.32 mi (2,400.05 km) |
| Belfast to Gambettola | 1,089.49 mi (1,753.36 km) |
| Belfast to Gambolo | 918.07 mi (1,477.50 km) |
| Belfast to Garbagnate Milanese | 908.23 mi (1,461.66 km) |
| Belfast to Gardone Val Trompia | 938.60 mi (1,510.53 km) |
| Belfast to Garlasco | 922.80 mi (1,485.11 km) |
| Belfast to Gassino Torinese | 893.24 mi (1,437.52 km) |
| Belfast to Gatteo | 1,092.00 mi (1,757.41 km) |
