| Letchworth to Fuente-Alamo de Murcia | 984.89 mi (1,585.02 km) |
| Letchworth to Galapagar | 807.82 mi (1,300.06 km) |
| Letchworth to Galdacano | 616.44 mi (992.07 km) |
| Letchworth to Gandia | 899.00 mi (1,446.80 km) |
| Letchworth to Garrucha | 1,025.08 mi (1,649.71 km) |
| Letchworth to Gava | 744.76 mi (1,198.58 km) |
| Letchworth to Gelves | 1,050.22 mi (1,690.16 km) |
| Letchworth to Getafe | 823.52 mi (1,325.33 km) |
| Letchworth to Gibraleon | 1,060.76 mi (1,707.13 km) |
| Letchworth to Gijon | 635.95 mi (1,023.46 km) |
| Letchworth to Gines | 1,047.39 mi (1,685.61 km) |
| Letchworth to Girona | 705.18 mi (1,134.87 km) |
| Letchworth to Godella | 860.81 mi (1,385.34 km) |
| Letchworth to Gondomar | 790.04 mi (1,271.44 km) |
| Letchworth to Grado | 652.27 mi (1,049.73 km) |
