| Portishead to Imola | 829.53 mi (1,335.00 km) |
| Portishead to Impruneta | 844.26 mi (1,358.71 km) |
| Portishead to Induno Olona | 655.65 mi (1,055.17 km) |
| Portishead to Inverigo | 674.94 mi (1,086.21 km) |
| Portishead to Inveruno | 671.47 mi (1,080.62 km) |
| Portishead to Inzago | 693.71 mi (1,116.41 km) |
| Portishead to Iseo | 709.28 mi (1,141.48 km) |
| Portishead to Isernia | 1,053.28 mi (1,695.10 km) |
| Portishead to Isola Capo Rizzuto | 1,289.62 mi (2,075.44 km) |
| Portishead to Isola del Liri | 1,025.75 mi (1,650.78 km) |
| Portishead to Isola della Scala | 762.23 mi (1,226.69 km) |
| Portishead to Isola Vicentina | 763.43 mi (1,228.63 km) |
| Portishead to Ispica | 1,334.07 mi (2,146.98 km) |
| Portishead to Istrana | 786.60 mi (1,265.91 km) |
| Portishead to Itri | 1,044.51 mi (1,680.98 km) |
