| Tallaght to Impruneta | 1,039.41 mi (1,672.77 km) |
| Tallaght to Induno Olona | 850.03 mi (1,367.99 km) |
| Tallaght to Inverigo | 869.08 mi (1,398.65 km) |
| Tallaght to Inveruno | 866.39 mi (1,394.32 km) |
| Tallaght to Inzago | 887.92 mi (1,428.97 km) |
| Tallaght to Iseo | 902.52 mi (1,452.46 km) |
| Tallaght to Isernia | 1,248.24 mi (2,008.85 km) |
| Tallaght to Isola Capo Rizzuto | 1,484.76 mi (2,389.49 km) |
| Tallaght to Isola del Liri | 1,221.10 mi (1,965.17 km) |
| Tallaght to Isola della Scala | 955.05 mi (1,537.01 km) |
| Tallaght to Isola Vicentina | 954.70 mi (1,536.43 km) |
| Tallaght to Ispica | 1,530.22 mi (2,462.64 km) |
| Tallaght to Istrana | 976.67 mi (1,571.80 km) |
| Tallaght to Itri | 1,240.16 mi (1,995.85 km) |
| Tallaght to Ittiri | 1,119.67 mi (1,801.94 km) |
