| Alton to Imola | 751.98 mi (1,210.19 km) |
| Alton to Impruneta | 768.20 mi (1,236.30 km) |
| Alton to Induno Olona | 578.65 mi (931.25 km) |
| Alton to Inverigo | 597.71 mi (961.92 km) |
| Alton to Inveruno | 595.12 mi (957.75 km) |
| Alton to Inzago | 616.54 mi (992.23 km) |
| Alton to Iseo | 631.31 mi (1,016.00 km) |
| Alton to Isernia | 976.93 mi (1,572.22 km) |
| Alton to Isola Capo Rizzuto | 1,213.50 mi (1,952.93 km) |
| Alton to Isola del Liri | 949.97 mi (1,528.83 km) |
| Alton to Isola della Scala | 684.00 mi (1,100.80 km) |
| Alton to Isola Vicentina | 684.42 mi (1,101.47 km) |
| Alton to Ispica | 1,262.68 mi (2,032.08 km) |
| Alton to Istrana | 707.17 mi (1,138.08 km) |
| Alton to Itri | 969.29 mi (1,559.93 km) |
