| Kostinbrod to Impruneta | 604.67 mi (973.12 km) |
| Kostinbrod to Induno Olona | 739.92 mi (1,190.78 km) |
| Kostinbrod to Inverigo | 720.23 mi (1,159.09 km) |
| Kostinbrod to Inveruno | 734.95 mi (1,182.78 km) |
| Kostinbrod to Inzago | 704.96 mi (1,134.53 km) |
| Kostinbrod to Iseo | 679.63 mi (1,093.76 km) |
| Kostinbrod to Isernia | 466.77 mi (751.19 km) |
| Kostinbrod to Isola Capo Rizzuto | 416.06 mi (669.59 km) |
| Kostinbrod to Isola del Liri | 499.18 mi (803.35 km) |
| Kostinbrod to Isola della Scala | 628.75 mi (1,011.88 km) |
| Kostinbrod to Isola Vicentina | 613.56 mi (987.43 km) |
| Kostinbrod to Ispica | 606.62 mi (976.26 km) |
| Kostinbrod to Istrana | 584.15 mi (940.09 km) |
| Kostinbrod to Itri | 507.68 mi (817.03 km) |
| Kostinbrod to Ittiri | 769.97 mi (1,239.15 km) |
