| Harrow Weald to Granada | 1,009.39 mi (1,624.46 km) |
| Harrow Weald to Granadilla de Abona | 1,827.91 mi (2,941.74 km) |
| Harrow Weald to Granollers | 701.69 mi (1,129.26 km) |
| Harrow Weald to Grinon | 804.44 mi (1,294.62 km) |
| Harrow Weald to Guadalajara | 769.83 mi (1,238.92 km) |
| Harrow Weald to Guadarrama | 776.04 mi (1,248.92 km) |
| Harrow Weald to Guadix | 997.68 mi (1,605.61 km) |
| Harrow Weald to Guardamar del Segura | 933.87 mi (1,502.92 km) |
| Harrow Weald to Guernica y Luno | 582.75 mi (937.84 km) |
| Harrow Weald to Guia de Isora | 1,826.58 mi (2,939.60 km) |
| Harrow Weald to Guillena | 1,011.23 mi (1,627.42 km) |
| Harrow Weald to Guimar | 1,811.18 mi (2,914.82 km) |
| Harrow Weald to Hellin | 906.58 mi (1,459.00 km) |
| Harrow Weald to Herencia | 857.84 mi (1,380.55 km) |
| Harrow Weald to Hernani | 581.01 mi (935.05 km) |
