| Castelo Branco to Grabels | 639.33 mi (1,028.90 km) |
| Castelo Branco to Gradignan | 490.62 mi (789.57 km) |
| Castelo Branco to Grand-Couronne | 779.77 mi (1,254.92 km) |
| Castelo Branco to Grande-Synthe | 906.29 mi (1,458.53 km) |
| Castelo Branco to Granville | 687.91 mi (1,107.09 km) |
| Castelo Branco to Grasse | 788.14 mi (1,268.39 km) |
| Castelo Branco to Graulhet | 559.14 mi (899.86 km) |
| Castelo Branco to Gravelines | 900.36 mi (1,448.99 km) |
| Castelo Branco to Grenade | 528.56 mi (850.63 km) |
| Castelo Branco to Grenoble | 767.19 mi (1,234.67 km) |
| Castelo Branco to Gretz-Armainvilliers | 796.36 mi (1,281.61 km) |
| Castelo Branco to Grigny | 781.25 mi (1,257.29 km) |
| Castelo Branco to Grigny | 739.95 mi (1,190.84 km) |
| Castelo Branco to Groslay | 797.08 mi (1,282.78 km) |
| Castelo Branco to Guebwiller | 919.10 mi (1,479.15 km) |
