| Greenford to Imola | 745.05 mi (1,199.05 km) |
| Greenford to Impruneta | 763.69 mi (1,229.04 km) |
| Greenford to Induno Olona | 573.14 mi (922.39 km) |
| Greenford to Inverigo | 591.74 mi (952.31 km) |
| Greenford to Inveruno | 590.61 mi (950.49 km) |
| Greenford to Inzago | 610.63 mi (982.71 km) |
| Greenford to Iseo | 623.88 mi (1,004.04 km) |
| Greenford to Isernia | 971.64 mi (1,563.71 km) |
| Greenford to Isola Capo Rizzuto | 1,208.32 mi (1,944.60 km) |
| Greenford to Isola del Liri | 945.57 mi (1,521.75 km) |
| Greenford to Isola della Scala | 675.92 mi (1,087.78 km) |
| Greenford to Isola Vicentina | 674.55 mi (1,085.58 km) |
| Greenford to Ispica | 1,263.23 mi (2,032.97 km) |
| Greenford to Istrana | 696.11 mi (1,120.28 km) |
| Greenford to Itri | 965.65 mi (1,554.07 km) |
