| Gloucester to Imola | 824.70 mi (1,327.23 km) |
| Gloucester to Impruneta | 841.46 mi (1,354.21 km) |
| Gloucester to Induno Olona | 651.68 mi (1,048.77 km) |
| Gloucester to Inverigo | 670.63 mi (1,079.28 km) |
| Gloucester to Inveruno | 668.34 mi (1,075.59 km) |
| Gloucester to Inzago | 689.49 mi (1,109.62 km) |
| Gloucester to Iseo | 703.85 mi (1,132.74 km) |
| Gloucester to Isernia | 1,050.08 mi (1,689.94 km) |
| Gloucester to Isola Capo Rizzuto | 1,286.69 mi (2,070.73 km) |
| Gloucester to Isola del Liri | 1,023.28 mi (1,646.80 km) |
| Gloucester to Isola della Scala | 756.35 mi (1,217.22 km) |
| Gloucester to Isola Vicentina | 756.08 mi (1,216.79 km) |
| Gloucester to Ispica | 1,336.12 mi (2,150.28 km) |
| Gloucester to Istrana | 778.29 mi (1,252.53 km) |
| Gloucester to Itri | 1,042.70 mi (1,678.06 km) |
