| Cwmbran to Grottaferrata | 1,004.62 mi (1,616.78 km) |
| Cwmbran to Grottaglie | 1,238.03 mi (1,992.42 km) |
| Cwmbran to Grottammare | 987.94 mi (1,589.93 km) |
| Cwmbran to Grugliasco | 664.92 mi (1,070.09 km) |
| Cwmbran to Grumo Appula | 1,187.29 mi (1,910.75 km) |
| Cwmbran to Grumo Nevano | 1,103.87 mi (1,776.51 km) |
| Cwmbran to Gualdo Tadino | 936.74 mi (1,507.54 km) |
| Cwmbran to Guardiagrele | 1,038.68 mi (1,671.59 km) |
| Cwmbran to Guastalla | 780.66 mi (1,256.36 km) |
| Cwmbran to Gubbio | 923.30 mi (1,485.91 km) |
| Cwmbran to Guspini | 1,006.60 mi (1,619.97 km) |
| Cwmbran to Gussago | 730.87 mi (1,176.22 km) |
| Cwmbran to Iesi | 939.74 mi (1,512.37 km) |
| Cwmbran to Iesolo | 828.94 mi (1,334.06 km) |
| Cwmbran to Iglesias | 1,016.99 mi (1,636.68 km) |
