| Greenock to Imola | 1,078.20 mi (1,735.19 km) |
| Greenock to Impruneta | 1,102.72 mi (1,774.66 km) |
| Greenock to Induno Olona | 912.18 mi (1,468.00 km) |
| Greenock to Inverigo | 929.44 mi (1,495.80 km) |
| Greenock to Inveruno | 931.54 mi (1,499.17 km) |
| Greenock to Inzago | 948.18 mi (1,525.94 km) |
| Greenock to Iseo | 957.44 mi (1,540.84 km) |
| Greenock to Isernia | 1,307.03 mi (2,103.46 km) |
| Greenock to Isola Capo Rizzuto | 1,542.53 mi (2,482.45 km) |
| Greenock to Isola del Liri | 1,283.43 mi (2,065.48 km) |
| Greenock to Isola della Scala | 1,006.83 mi (1,620.33 km) |
| Greenock to Isola Vicentina | 1,000.10 mi (1,609.50 km) |
| Greenock to Ispica | 1,610.21 mi (2,591.39 km) |
| Greenock to Istrana | 1,017.27 mi (1,637.15 km) |
| Greenock to Itri | 1,305.20 mi (2,100.52 km) |
