| Hertford to Gaeta | 974.23 mi (1,567.87 km) |
| Hertford to Gaggiano | 606.06 mi (975.36 km) |
| Hertford to Galatina | 1,182.57 mi (1,903.17 km) |
| Hertford to Galatone | 1,179.97 mi (1,898.99 km) |
| Hertford to Galbiate | 596.65 mi (960.22 km) |
| Hertford to Gallarate | 584.73 mi (941.03 km) |
| Hertford to Galliate | 591.52 mi (951.97 km) |
| Hertford to Gallipoli | 1,182.32 mi (1,902.76 km) |
| Hertford to Gambettola | 779.94 mi (1,255.20 km) |
| Hertford to Gambolo | 608.61 mi (979.47 km) |
| Hertford to Garbagnate Milanese | 598.45 mi (963.12 km) |
| Hertford to Gardone Val Trompia | 629.01 mi (1,012.29 km) |
| Hertford to Garlasco | 613.35 mi (987.10 km) |
| Hertford to Gassino Torinese | 585.33 mi (941.99 km) |
| Hertford to Gatteo | 782.48 mi (1,259.27 km) |
