| Illescas to Grottaferrata | 867.62 mi (1,396.29 km) |
| Illescas to Grottaglie | 1,117.88 mi (1,799.06 km) |
| Illescas to Grottammare | 934.53 mi (1,503.98 km) |
| Illescas to Grugliasco | 672.81 mi (1,082.78 km) |
| Illescas to Grumo Appula | 1,077.03 mi (1,733.31 km) |
| Illescas to Grumo Nevano | 950.57 mi (1,529.80 km) |
| Illescas to Gualdo Tadino | 882.53 mi (1,420.29 km) |
| Illescas to Guardiagrele | 948.09 mi (1,525.80 km) |
| Illescas to Guastalla | 807.98 mi (1,300.32 km) |
| Illescas to Gubbio | 873.00 mi (1,404.96 km) |
| Illescas to Guspini | 662.21 mi (1,065.72 km) |
| Illescas to Gussago | 801.62 mi (1,290.08 km) |
| Illescas to Iesi | 908.22 mi (1,461.65 km) |
| Illescas to Iesolo | 912.83 mi (1,469.05 km) |
| Illescas to Iglesias | 659.04 mi (1,060.62 km) |
