| Highgate to Imola | 739.83 mi (1,190.65 km) |
| Highgate to Impruneta | 758.97 mi (1,221.45 km) |
| Highgate to Induno Olona | 568.29 mi (914.58 km) |
| Highgate to Inverigo | 586.78 mi (944.33 km) |
| Highgate to Inveruno | 585.96 mi (943.01 km) |
| Highgate to Inzago | 605.67 mi (974.73 km) |
| Highgate to Iseo | 618.60 mi (995.54 km) |
| Highgate to Isernia | 966.71 mi (1,555.77 km) |
| Highgate to Isola Capo Rizzuto | 1,203.37 mi (1,936.64 km) |
| Highgate to Isola del Liri | 940.83 mi (1,514.13 km) |
| Highgate to Isola della Scala | 670.48 mi (1,079.04 km) |
| Highgate to Isola Vicentina | 668.76 mi (1,076.26 km) |
| Highgate to Ispica | 1,259.52 mi (2,026.99 km) |
| Highgate to Istrana | 690.07 mi (1,110.57 km) |
| Highgate to Itri | 961.07 mi (1,546.69 km) |
