| Idanha-a-Nova to Imola | 1,015.38 mi (1,634.09 km) |
| Idanha-a-Nova to Impruneta | 984.62 mi (1,584.59 km) |
| Idanha-a-Nova to Induno Olona | 908.60 mi (1,462.26 km) |
| Idanha-a-Nova to Inverigo | 923.08 mi (1,485.55 km) |
| Idanha-a-Nova to Inveruno | 901.33 mi (1,450.55 km) |
| Idanha-a-Nova to Inzago | 930.66 mi (1,497.74 km) |
| Idanha-a-Nova to Iseo | 959.55 mi (1,544.24 km) |
| Idanha-a-Nova to Isernia | 1,126.87 mi (1,813.53 km) |
| Idanha-a-Nova to Isola Capo Rizzuto | 1,295.90 mi (2,085.55 km) |
| Idanha-a-Nova to Isola del Liri | 1,092.36 mi (1,757.98 km) |
| Idanha-a-Nova to Isola della Scala | 996.17 mi (1,603.19 km) |
| Idanha-a-Nova to Isola Vicentina | 1,023.48 mi (1,647.13 km) |
| Idanha-a-Nova to Ispica | 1,215.41 mi (1,956.02 km) |
| Idanha-a-Nova to Istrana | 1,054.64 mi (1,697.27 km) |
| Idanha-a-Nova to Itri | 1,090.90 mi (1,755.63 km) |
