| Castelo Branco to Granadilla de Abona | 960.22 mi (1,545.32 km) |
| Castelo Branco to Granollers | 527.08 mi (848.25 km) |
| Castelo Branco to Grinon | 195.09 mi (313.97 km) |
| Castelo Branco to Guadalajara | 235.40 mi (378.84 km) |
| Castelo Branco to Guadarrama | 189.36 mi (304.74 km) |
| Castelo Branco to Guadix | 293.02 mi (471.58 km) |
| Castelo Branco to Guardamar del Segura | 386.54 mi (622.08 km) |
| Castelo Branco to Guernica y Luno | 347.60 mi (559.41 km) |
| Castelo Branco to Guia de Isora | 960.67 mi (1,546.06 km) |
| Castelo Branco to Guillena | 176.08 mi (283.38 km) |
| Castelo Branco to Guimar | 943.06 mi (1,517.71 km) |
| Castelo Branco to Hellin | 324.21 mi (521.77 km) |
| Castelo Branco to Herencia | 222.85 mi (358.64 km) |
| Castelo Branco to Hernani | 372.28 mi (599.13 km) |
| Castelo Branco to Hoyo de Manzanares | 198.94 mi (320.17 km) |
