| Staines-upon-Thames to Imola | 746.71 mi (1,201.71 km) |
| Staines-upon-Thames to Impruneta | 764.73 mi (1,230.72 km) |
| Staines-upon-Thames to Induno Olona | 574.39 mi (924.38 km) |
| Staines-upon-Thames to Inverigo | 593.10 mi (954.51 km) |
| Staines-upon-Thames to Inveruno | 591.60 mi (952.09 km) |
| Staines-upon-Thames to Inzago | 611.99 mi (984.90 km) |
| Staines-upon-Thames to Iseo | 625.63 mi (1,006.86 km) |
| Staines-upon-Thames to Isernia | 972.92 mi (1,565.77 km) |
| Staines-upon-Thames to Isola Capo Rizzuto | 1,209.60 mi (1,946.66 km) |
| Staines-upon-Thames to Isola del Liri | 946.62 mi (1,523.44 km) |
| Staines-upon-Thames to Isola della Scala | 677.86 mi (1,090.90 km) |
| Staines-upon-Thames to Isola Vicentina | 676.95 mi (1,089.44 km) |
| Staines-upon-Thames to Ispica | 1,263.05 mi (2,032.68 km) |
| Staines-upon-Thames to Istrana | 698.82 mi (1,124.64 km) |
| Staines-upon-Thames to Itri | 966.51 mi (1,555.45 km) |
