| Castel San Giorgio to Impruneta | 266.97 mi (429.64 km) |
| Castel San Giorgio to Induno Olona | 457.48 mi (736.24 km) |
| Castel San Giorgio to Inverigo | 439.20 mi (706.83 km) |
| Castel San Giorgio to Inveruno | 440.12 mi (708.30 km) |
| Castel San Giorgio to Inzago | 420.33 mi (676.45 km) |
| Castel San Giorgio to Iseo | 409.96 mi (659.76 km) |
| Castel San Giorgio to Isernia | 61.47 mi (98.93 km) |
| Castel San Giorgio to Isola Capo Rizzuto | 178.95 mi (287.99 km) |
| Castel San Giorgio to Isola del Liri | 85.23 mi (137.16 km) |
| Castel San Giorgio to Isola della Scala | 361.55 mi (581.87 km) |
| Castel San Giorgio to Isola Vicentina | 372.85 mi (600.05 km) |
| Castel San Giorgio to Ispica | 276.58 mi (445.12 km) |
| Castel San Giorgio to Istrana | 362.92 mi (584.06 km) |
| Castel San Giorgio to Itri | 69.93 mi (112.55 km) |
| Castel San Giorgio to Ittiri | 321.50 mi (517.40 km) |
