| Llantrisant to Grottaferrata | 1,012.41 mi (1,629.31 km) |
| Llantrisant to Grottaglie | 1,247.39 mi (2,007.48 km) |
| Llantrisant to Grottammare | 997.23 mi (1,604.89 km) |
| Llantrisant to Grugliasco | 672.12 mi (1,081.67 km) |
| Llantrisant to Grumo Appula | 1,196.61 mi (1,925.75 km) |
| Llantrisant to Grumo Nevano | 1,111.96 mi (1,789.53 km) |
| Llantrisant to Gualdo Tadino | 945.67 mi (1,521.90 km) |
| Llantrisant to Guardiagrele | 1,047.59 mi (1,685.93 km) |
| Llantrisant to Guastalla | 789.85 mi (1,271.14 km) |
| Llantrisant to Gubbio | 932.20 mi (1,500.23 km) |
| Llantrisant to Guspini | 1,010.17 mi (1,625.71 km) |
| Llantrisant to Gussago | 740.43 mi (1,191.61 km) |
| Llantrisant to Iesi | 949.13 mi (1,527.47 km) |
| Llantrisant to Iesolo | 839.73 mi (1,351.41 km) |
| Llantrisant to Iglesias | 1,020.35 mi (1,642.09 km) |
