| Harmanli to Impruneta | 751.35 mi (1,209.18 km) |
| Harmanli to Induno Olona | 889.80 mi (1,431.99 km) |
| Harmanli to Inverigo | 870.08 mi (1,400.26 km) |
| Harmanli to Inveruno | 884.66 mi (1,423.71 km) |
| Harmanli to Inzago | 854.74 mi (1,375.57 km) |
| Harmanli to Iseo | 829.50 mi (1,334.96 km) |
| Harmanli to Isernia | 600.86 mi (966.99 km) |
| Harmanli to Isola Capo Rizzuto | 506.18 mi (814.62 km) |
| Harmanli to Isola del Liri | 634.57 mi (1,021.25 km) |
| Harmanli to Isola della Scala | 778.49 mi (1,252.86 km) |
| Harmanli to Isola Vicentina | 763.49 mi (1,228.72 km) |
| Harmanli to Ispica | 686.16 mi (1,104.27 km) |
| Harmanli to Istrana | 734.08 mi (1,181.39 km) |
| Harmanli to Itri | 639.90 mi (1,029.81 km) |
| Harmanli to Ittiri | 903.33 mi (1,453.76 km) |
