| Horten to Imola | 1,042.46 mi (1,677.68 km) |
| Horten to Impruneta | 1,087.90 mi (1,750.81 km) |
| Horten to Induno Olona | 939.98 mi (1,512.75 km) |
| Horten to Inverigo | 947.05 mi (1,524.13 km) |
| Horten to Inveruno | 962.92 mi (1,549.67 km) |
| Horten to Inzago | 960.34 mi (1,545.52 km) |
| Horten to Iseo | 951.01 mi (1,530.50 km) |
| Horten to Isernia | 1,241.92 mi (1,998.67 km) |
| Horten to Isola Capo Rizzuto | 1,443.73 mi (2,323.46 km) |
| Horten to Isola del Liri | 1,233.20 mi (1,984.65 km) |
| Horten to Isola della Scala | 978.08 mi (1,574.06 km) |
| Horten to Isola Vicentina | 953.55 mi (1,534.60 km) |
| Horten to Ispica | 1,576.78 mi (2,537.58 km) |
| Horten to Istrana | 951.67 mi (1,531.57 km) |
| Horten to Itri | 1,260.28 mi (2,028.22 km) |
