| Hemel Hempstead to Imola | 758.48 mi (1,220.66 km) |
| Hemel Hempstead to Impruneta | 777.67 mi (1,251.54 km) |
| Hemel Hempstead to Induno Olona | 586.99 mi (944.66 km) |
| Hemel Hempstead to Inverigo | 605.46 mi (974.40 km) |
| Hemel Hempstead to Inveruno | 604.66 mi (973.11 km) |
| Hemel Hempstead to Inzago | 624.36 mi (1,004.80 km) |
| Hemel Hempstead to Iseo | 637.24 mi (1,025.54 km) |
| Hemel Hempstead to Isernia | 985.40 mi (1,585.84 km) |
| Hemel Hempstead to Isola Capo Rizzuto | 1,222.06 mi (1,966.71 km) |
| Hemel Hempstead to Isola del Liri | 959.53 mi (1,544.22 km) |
| Hemel Hempstead to Isola della Scala | 689.09 mi (1,108.98 km) |
| Hemel Hempstead to Isola Vicentina | 687.24 mi (1,106.01 km) |
| Hemel Hempstead to Ispica | 1,278.11 mi (2,056.91 km) |
| Hemel Hempstead to Istrana | 708.45 mi (1,140.14 km) |
| Hemel Hempstead to Itri | 979.77 mi (1,576.79 km) |
