| Trecastagni to Grottaferrata | 315.42 mi (507.61 km) |
| Trecastagni to Grottaglie | 237.67 mi (382.49 km) |
| Trecastagni to Grottammare | 376.73 mi (606.29 km) |
| Trecastagni to Grugliasco | 644.86 mi (1,037.80 km) |
| Trecastagni to Grumo Appula | 250.30 mi (402.81 km) |
| Trecastagni to Grumo Nevano | 233.28 mi (375.42 km) |
| Trecastagni to Gualdo Tadino | 406.44 mi (654.10 km) |
| Trecastagni to Guardiagrele | 319.98 mi (514.96 km) |
| Trecastagni to Guastalla | 553.86 mi (891.36 km) |
| Trecastagni to Gubbio | 417.57 mi (672.01 km) |
| Trecastagni to Guspini | 372.61 mi (599.66 km) |
| Trecastagni to Gussago | 607.32 mi (977.39 km) |
| Trecastagni to Iesi | 419.41 mi (674.98 km) |
| Trecastagni to Iesolo | 561.23 mi (903.21 km) |
| Trecastagni to Iglesias | 373.20 mi (600.60 km) |
