| Glencullen to Impruneta | 1,032.05 mi (1,660.93 km) |
| Glencullen to Induno Olona | 842.69 mi (1,356.18 km) |
| Glencullen to Inverigo | 861.75 mi (1,386.85 km) |
| Glencullen to Inveruno | 859.03 mi (1,382.48 km) |
| Glencullen to Inzago | 880.59 mi (1,417.17 km) |
| Glencullen to Iseo | 895.21 mi (1,440.71 km) |
| Glencullen to Isernia | 1,240.89 mi (1,997.02 km) |
| Glencullen to Isola Capo Rizzuto | 1,477.40 mi (2,377.65 km) |
| Glencullen to Isola del Liri | 1,213.73 mi (1,953.32 km) |
| Glencullen to Isola della Scala | 947.76 mi (1,525.27 km) |
| Glencullen to Isola Vicentina | 947.45 mi (1,524.77 km) |
| Glencullen to Ispica | 1,522.83 mi (2,450.76 km) |
| Glencullen to Istrana | 969.46 mi (1,560.20 km) |
| Glencullen to Itri | 1,232.79 mi (1,983.98 km) |
| Glencullen to Ittiri | 1,112.35 mi (1,790.15 km) |
