| Greenford to Fuente-Alamo de Murcia | 953.71 mi (1,534.84 km) |
| Greenford to Galapagar | 776.56 mi (1,249.76 km) |
| Greenford to Galdacano | 585.11 mi (941.65 km) |
| Greenford to Gandia | 868.07 mi (1,397.02 km) |
| Greenford to Garrucha | 993.80 mi (1,599.37 km) |
| Greenford to Gava | 715.05 mi (1,150.77 km) |
| Greenford to Gelves | 1,019.19 mi (1,640.23 km) |
| Greenford to Getafe | 792.22 mi (1,274.95 km) |
| Greenford to Gibraleon | 1,030.00 mi (1,657.63 km) |
| Greenford to Gijon | 605.89 mi (975.08 km) |
| Greenford to Gines | 1,016.38 mi (1,635.71 km) |
| Greenford to Girona | 676.24 mi (1,088.30 km) |
| Greenford to Godella | 829.81 mi (1,335.45 km) |
| Greenford to Gondomar | 761.56 mi (1,225.61 km) |
| Greenford to Grado | 622.41 mi (1,001.67 km) |
