| Northolt to Granada | 1,005.26 mi (1,617.81 km) |
| Northolt to Granadilla de Abona | 1,823.88 mi (2,935.25 km) |
| Northolt to Granollers | 698.07 mi (1,123.43 km) |
| Northolt to Grinon | 800.28 mi (1,287.93 km) |
| Northolt to Guadalajara | 765.69 mi (1,232.25 km) |
| Northolt to Guadarrama | 771.88 mi (1,242.22 km) |
| Northolt to Guadix | 993.56 mi (1,598.98 km) |
| Northolt to Guardamar del Segura | 929.89 mi (1,496.52 km) |
| Northolt to Guernica y Luno | 578.60 mi (931.17 km) |
| Northolt to Guia de Isora | 1,822.56 mi (2,933.12 km) |
| Northolt to Guillena | 1,007.05 mi (1,620.70 km) |
| Northolt to Guimar | 1,807.15 mi (2,908.32 km) |
| Northolt to Hellin | 902.53 mi (1,452.48 km) |
| Northolt to Herencia | 853.70 mi (1,373.89 km) |
| Northolt to Hernani | 576.91 mi (928.44 km) |
