| Castelo Branco to Glenfield | 935.38 mi (1,505.35 km) |
| Castelo Branco to Glenrothes | 1,148.77 mi (1,848.77 km) |
| Castelo Branco to Glossop | 976.88 mi (1,572.14 km) |
| Castelo Branco to Gloucester | 869.42 mi (1,399.20 km) |
| Castelo Branco to Godalming | 852.17 mi (1,371.44 km) |
| Castelo Branco to Golborne | 971.43 mi (1,563.36 km) |
| Castelo Branco to Goodmayes | 889.74 mi (1,431.90 km) |
| Castelo Branco to Goole | 1,008.15 mi (1,622.46 km) |
| Castelo Branco to Gorleston-on-Sea | 983.91 mi (1,583.45 km) |
| Castelo Branco to Gornalwood | 914.18 mi (1,471.24 km) |
| Castelo Branco to Gosforth | 1,083.98 mi (1,744.49 km) |
| Castelo Branco to Gosport | 818.59 mi (1,317.39 km) |
| Castelo Branco to Gourock | 1,121.66 mi (1,805.14 km) |
| Castelo Branco to Grangemouth | 1,132.19 mi (1,822.08 km) |
| Castelo Branco to Grantham | 961.44 mi (1,547.28 km) |
