| Southend to Imola | 710.33 mi (1,143.16 km) |
| Southend to Impruneta | 730.96 mi (1,176.36 km) |
| Southend to Induno Olona | 540.04 mi (869.11 km) |
| Southend to Inverigo | 558.18 mi (898.30 km) |
| Southend to Inveruno | 558.32 mi (898.53 km) |
| Southend to Inzago | 577.06 mi (928.68 km) |
| Southend to Iseo | 589.00 mi (947.91 km) |
| Southend to Isernia | 937.94 mi (1,509.47 km) |
| Southend to Isola Capo Rizzuto | 1,174.49 mi (1,890.16 km) |
| Southend to Isola del Liri | 912.65 mi (1,468.78 km) |
| Southend to Isola della Scala | 640.39 mi (1,030.61 km) |
| Southend to Isola Vicentina | 637.64 mi (1,026.18 km) |
| Southend to Ispica | 1,234.43 mi (1,986.62 km) |
| Southend to Istrana | 658.28 mi (1,059.40 km) |
| Southend to Itri | 933.36 mi (1,502.10 km) |
