| Mostoles to Grottaferrata | 866.09 mi (1,393.83 km) |
| Mostoles to Grottaglie | 1,117.54 mi (1,798.51 km) |
| Mostoles to Grottammare | 931.68 mi (1,499.40 km) |
| Mostoles to Grugliasco | 665.96 mi (1,071.76 km) |
| Mostoles to Grumo Appula | 1,076.27 mi (1,732.09 km) |
| Mostoles to Grumo Nevano | 950.01 mi (1,528.90 km) |
| Mostoles to Gualdo Tadino | 879.30 mi (1,415.09 km) |
| Mostoles to Guardiagrele | 946.13 mi (1,522.65 km) |
| Mostoles to Guastalla | 802.39 mi (1,291.32 km) |
| Mostoles to Gubbio | 869.61 mi (1,399.50 km) |
| Mostoles to Guspini | 664.00 mi (1,068.60 km) |
| Mostoles to Gussago | 795.11 mi (1,279.60 km) |
| Mostoles to Iesi | 904.72 mi (1,456.01 km) |
| Mostoles to Iesolo | 907.06 mi (1,459.78 km) |
| Mostoles to Iglesias | 661.18 mi (1,064.07 km) |
