| Thornton Heath to Grottaferrata | 897.03 mi (1,443.64 km) |
| Thornton Heath to Grottaglie | 1,123.22 mi (1,807.65 km) |
| Thornton Heath to Grottammare | 873.79 mi (1,406.23 km) |
| Thornton Heath to Grugliasco | 561.99 mi (904.44 km) |
| Thornton Heath to Grumo Appula | 1,072.70 mi (1,726.34 km) |
| Thornton Heath to Grumo Nevano | 994.63 mi (1,600.70 km) |
| Thornton Heath to Gualdo Tadino | 824.28 mi (1,326.56 km) |
| Thornton Heath to Guardiagrele | 926.03 mi (1,490.30 km) |
| Thornton Heath to Guastalla | 667.58 mi (1,074.37 km) |
| Thornton Heath to Gubbio | 810.99 mi (1,305.16 km) |
| Thornton Heath to Guspini | 921.36 mi (1,482.78 km) |
| Thornton Heath to Gussago | 616.40 mi (992.00 km) |
| Thornton Heath to Iesi | 825.34 mi (1,328.26 km) |
| Thornton Heath to Iesolo | 709.56 mi (1,141.92 km) |
| Thornton Heath to Iglesias | 932.86 mi (1,501.30 km) |
