| Downham Market to Imola | 768.77 mi (1,237.22 km) |
| Downham Market to Impruneta | 792.12 mi (1,274.79 km) |
| Downham Market to Induno Olona | 601.39 mi (967.85 km) |
| Downham Market to Inverigo | 618.85 mi (995.94 km) |
| Downham Market to Inveruno | 620.61 mi (998.77 km) |
| Downham Market to Inzago | 637.63 mi (1,026.17 km) |
| Downham Market to Iseo | 647.67 mi (1,042.33 km) |
| Downham Market to Isernia | 997.34 mi (1,605.07 km) |
| Downham Market to Isola Capo Rizzuto | 1,233.36 mi (1,984.90 km) |
| Downham Market to Isola del Liri | 973.17 mi (1,566.17 km) |
| Downham Market to Isola della Scala | 697.84 mi (1,123.07 km) |
| Downham Market to Isola Vicentina | 692.73 mi (1,114.85 km) |
| Downham Market to Ispica | 1,299.28 mi (2,090.99 km) |
| Downham Market to Istrana | 711.53 mi (1,145.10 km) |
| Downham Market to Itri | 994.65 mi (1,600.74 km) |
