| Siano to Granadilla de Abona | 1,971.33 mi (3,172.55 km) |
| Siano to Granollers | 646.70 mi (1,040.77 km) |
| Siano to Grinon | 973.19 mi (1,566.20 km) |
| Siano to Guadalajara | 933.83 mi (1,502.86 km) |
| Siano to Guadarrama | 981.50 mi (1,579.58 km) |
| Siano to Guadix | 984.79 mi (1,584.86 km) |
| Siano to Guardamar del Segura | 838.96 mi (1,350.17 km) |
| Siano to Guernica y Luno | 905.63 mi (1,457.47 km) |
| Siano to Guia de Isora | 1,977.43 mi (3,182.37 km) |
| Siano to Guillena | 1,131.13 mi (1,820.37 km) |
| Siano to Guimar | 1,954.87 mi (3,146.06 km) |
| Siano to Hellin | 883.99 mi (1,422.64 km) |
| Siano to Herencia | 957.57 mi (1,541.06 km) |
| Siano to Hernani | 870.26 mi (1,400.54 km) |
| Siano to Hoyo de Manzanares | 971.12 mi (1,562.87 km) |
