| Tadley to Imola | 765.49 mi (1,231.93 km) |
| Tadley to Impruneta | 782.17 mi (1,258.79 km) |
| Tadley to Induno Olona | 592.40 mi (953.37 km) |
| Tadley to Inverigo | 611.37 mi (983.90 km) |
| Tadley to Inveruno | 609.05 mi (980.17 km) |
| Tadley to Inzago | 630.22 mi (1,014.24 km) |
| Tadley to Iseo | 644.69 mi (1,037.53 km) |
| Tadley to Isernia | 990.79 mi (1,594.52 km) |
| Tadley to Isola Capo Rizzuto | 1,227.40 mi (1,975.31 km) |
| Tadley to Isola del Liri | 963.99 mi (1,551.39 km) |
| Tadley to Isola della Scala | 697.25 mi (1,122.12 km) |
| Tadley to Isola Vicentina | 697.27 mi (1,122.15 km) |
| Tadley to Ispica | 1,277.46 mi (2,055.87 km) |
| Tadley to Istrana | 719.73 mi (1,158.30 km) |
| Tadley to Itri | 983.44 mi (1,582.70 km) |
