| Grantham to Imola | 815.32 mi (1,312.13 km) |
| Grantham to Impruneta | 837.84 mi (1,348.38 km) |
| Grantham to Induno Olona | 646.96 mi (1,041.19 km) |
| Grantham to Inverigo | 664.67 mi (1,069.68 km) |
| Grantham to Inveruno | 665.84 mi (1,071.57 km) |
| Grantham to Inzago | 683.49 mi (1,099.97 km) |
| Grantham to Iseo | 694.11 mi (1,117.06 km) |
| Grantham to Isernia | 1,043.69 mi (1,679.65 km) |
| Grantham to Isola Capo Rizzuto | 1,279.90 mi (2,059.80 km) |
| Grantham to Isola del Liri | 1,019.17 mi (1,640.19 km) |
| Grantham to Isola della Scala | 744.61 mi (1,198.34 km) |
| Grantham to Isola Vicentina | 740.00 mi (1,190.91 km) |
| Grantham to Ispica | 1,343.51 mi (2,162.17 km) |
| Grantham to Istrana | 759.11 mi (1,221.67 km) |
| Grantham to Itri | 1,040.39 mi (1,674.34 km) |
