| Karlovo to Impruneta | 686.23 mi (1,104.38 km) |
| Karlovo to Induno Olona | 819.48 mi (1,318.83 km) |
| Karlovo to Inverigo | 799.90 mi (1,287.31 km) |
| Karlovo to Inveruno | 815.01 mi (1,311.63 km) |
| Karlovo to Inzago | 784.90 mi (1,263.17 km) |
| Karlovo to Iseo | 759.24 mi (1,221.88 km) |
| Karlovo to Isernia | 545.94 mi (878.60 km) |
| Karlovo to Isola Capo Rizzuto | 476.66 mi (767.11 km) |
| Karlovo to Isola del Liri | 578.79 mi (931.47 km) |
| Karlovo to Isola della Scala | 708.79 mi (1,140.69 km) |
| Karlovo to Isola Vicentina | 692.82 mi (1,114.98 km) |
| Karlovo to Ispica | 663.47 mi (1,067.76 km) |
| Karlovo to Istrana | 663.06 mi (1,067.08 km) |
| Karlovo to Itri | 586.32 mi (943.60 km) |
| Karlovo to Ittiri | 849.25 mi (1,366.74 km) |
