| Gaeta to Impruneta | 207.33 mi (333.67 km) |
| Gaeta to Induno Olona | 398.21 mi (640.86 km) |
| Gaeta to Inverigo | 380.60 mi (612.51 km) |
| Gaeta to Inveruno | 379.85 mi (611.31 km) |
| Gaeta to Inzago | 361.84 mi (582.32 km) |
| Gaeta to Iseo | 353.83 mi (569.43 km) |
| Gaeta to Isernia | 43.91 mi (70.66 km) |
| Gaeta to Isola Capo Rizzuto | 243.13 mi (391.29 km) |
| Gaeta to Isola del Liri | 31.97 mi (51.45 km) |
| Gaeta to Isola della Scala | 308.10 mi (495.83 km) |
| Gaeta to Isola Vicentina | 323.08 mi (519.95 km) |
| Gaeta to Ispica | 314.56 mi (506.24 km) |
| Gaeta to Istrana | 317.24 mi (510.55 km) |
| Gaeta to Itri | 4.92 mi (7.91 km) |
| Gaeta to Ittiri | 264.50 mi (425.68 km) |
