| Smolyan to Impruneta | 698.08 mi (1,123.45 km) |
| Smolyan to Induno Olona | 843.64 mi (1,357.71 km) |
| Smolyan to Inverigo | 823.72 mi (1,325.65 km) |
| Smolyan to Inveruno | 837.27 mi (1,347.46 km) |
| Smolyan to Inzago | 807.78 mi (1,299.99 km) |
| Smolyan to Iseo | 783.41 mi (1,260.77 km) |
| Smolyan to Isernia | 540.19 mi (869.35 km) |
| Smolyan to Isola Capo Rizzuto | 439.78 mi (707.75 km) |
| Smolyan to Isola del Liri | 574.28 mi (924.21 km) |
| Smolyan to Isola della Scala | 731.48 mi (1,177.20 km) |
| Smolyan to Isola Vicentina | 718.40 mi (1,156.15 km) |
| Smolyan to Ispica | 620.25 mi (998.19 km) |
| Smolyan to Istrana | 689.84 mi (1,110.19 km) |
| Smolyan to Itri | 578.41 mi (930.87 km) |
| Smolyan to Ittiri | 841.62 mi (1,354.45 km) |
