| Castel San Giorgio to Granadilla de Abona | 1,971.23 mi (3,172.39 km) |
| Castel San Giorgio to Granollers | 647.20 mi (1,041.57 km) |
| Castel San Giorgio to Grinon | 973.57 mi (1,566.80 km) |
| Castel San Giorgio to Guadalajara | 934.25 mi (1,503.52 km) |
| Castel San Giorgio to Guadarrama | 981.93 mi (1,580.26 km) |
| Castel San Giorgio to Guadix | 984.88 mi (1,585.02 km) |
| Castel San Giorgio to Guardamar del Segura | 839.06 mi (1,350.34 km) |
| Castel San Giorgio to Guernica y Luno | 906.29 mi (1,458.54 km) |
| Castel San Giorgio to Guia de Isora | 1,977.34 mi (3,182.22 km) |
| Castel San Giorgio to Guillena | 1,131.31 mi (1,820.67 km) |
| Castel San Giorgio to Guimar | 1,954.78 mi (3,145.91 km) |
| Castel San Giorgio to Hellin | 884.16 mi (1,422.92 km) |
| Castel San Giorgio to Herencia | 957.86 mi (1,541.53 km) |
| Castel San Giorgio to Hernani | 870.92 mi (1,401.61 km) |
| Castel San Giorgio to Hoyo de Manzanares | 971.54 mi (1,563.54 km) |
