| Portimao to Glenfield | 1,128.85 mi (1,816.71 km) |
| Portimao to Glenrothes | 1,340.31 mi (2,157.01 km) |
| Portimao to Glossop | 1,170.05 mi (1,883.02 km) |
| Portimao to Gloucester | 1,062.80 mi (1,710.40 km) |
| Portimao to Godalming | 1,045.37 mi (1,682.37 km) |
| Portimao to Golborne | 1,164.27 mi (1,873.71 km) |
| Portimao to Goodmayes | 1,082.74 mi (1,742.50 km) |
| Portimao to Goole | 1,201.58 mi (1,933.76 km) |
| Portimao to Gorleston-on-Sea | 1,176.47 mi (1,893.34 km) |
| Portimao to Gornalwood | 1,107.48 mi (1,782.31 km) |
| Portimao to Gosforth | 1,276.91 mi (2,054.99 km) |
| Portimao to Gosport | 1,011.88 mi (1,628.47 km) |
| Portimao to Gourock | 1,311.62 mi (2,110.85 km) |
| Portimao to Grangemouth | 1,323.30 mi (2,129.65 km) |
| Portimao to Grantham | 1,154.92 mi (1,858.66 km) |
