| Enfield Lock to Imola | 739.96 mi (1,190.85 km) |
| Enfield Lock to Impruneta | 759.64 mi (1,222.52 km) |
| Enfield Lock to Induno Olona | 568.85 mi (915.47 km) |
| Enfield Lock to Inverigo | 587.21 mi (945.03 km) |
| Enfield Lock to Inveruno | 586.73 mi (944.25 km) |
| Enfield Lock to Inzago | 606.10 mi (975.43 km) |
| Enfield Lock to Iseo | 618.68 mi (995.66 km) |
| Enfield Lock to Isernia | 967.13 mi (1,556.44 km) |
| Enfield Lock to Isola Capo Rizzuto | 1,203.76 mi (1,937.27 km) |
| Enfield Lock to Isola del Liri | 941.46 mi (1,515.13 km) |
| Enfield Lock to Isola della Scala | 670.38 mi (1,078.87 km) |
| Enfield Lock to Isola Vicentina | 668.23 mi (1,075.42 km) |
| Enfield Lock to Ispica | 1,261.17 mi (2,029.66 km) |
| Enfield Lock to Istrana | 689.26 mi (1,109.26 km) |
| Enfield Lock to Itri | 961.86 mi (1,547.96 km) |
