| Southampton to Imola | 758.41 mi (1,220.55 km) |
| Southampton to Impruneta | 773.03 mi (1,244.08 km) |
| Southampton to Induno Olona | 584.47 mi (940.61 km) |
| Southampton to Inverigo | 603.78 mi (971.69 km) |
| Southampton to Inveruno | 600.24 mi (965.99 km) |
| Southampton to Inzago | 622.54 mi (1,001.88 km) |
| Southampton to Iseo | 638.27 mi (1,027.20 km) |
| Southampton to Isernia | 982.05 mi (1,580.46 km) |
| Southampton to Isola Capo Rizzuto | 1,218.39 mi (1,960.81 km) |
| Southampton to Isola del Liri | 954.53 mi (1,536.17 km) |
| Southampton to Isola della Scala | 691.29 mi (1,112.52 km) |
| Southampton to Isola Vicentina | 692.86 mi (1,115.05 km) |
| Southampton to Ispica | 1,263.74 mi (2,033.80 km) |
| Southampton to Istrana | 716.34 mi (1,152.83 km) |
| Southampton to Itri | 973.34 mi (1,566.44 km) |
