| Sidcup to Imola | 725.28 mi (1,167.23 km) |
| Sidcup to Impruneta | 744.36 mi (1,197.93 km) |
| Sidcup to Induno Olona | 553.69 mi (891.07 km) |
| Sidcup to Inverigo | 572.18 mi (920.84 km) |
| Sidcup to Inveruno | 571.34 mi (919.48 km) |
| Sidcup to Inzago | 591.07 mi (951.24 km) |
| Sidcup to Iseo | 604.06 mi (972.14 km) |
| Sidcup to Isernia | 952.12 mi (1,532.28 km) |
| Sidcup to Isola Capo Rizzuto | 1,188.78 mi (1,913.16 km) |
| Sidcup to Isola del Liri | 926.22 mi (1,490.61 km) |
| Sidcup to Isola della Scala | 655.98 mi (1,055.69 km) |
| Sidcup to Isola Vicentina | 654.36 mi (1,053.09 km) |
| Sidcup to Ispica | 1,244.95 mi (2,003.55 km) |
| Sidcup to Istrana | 675.77 mi (1,087.55 km) |
| Sidcup to Itri | 946.45 mi (1,523.16 km) |
