| Sumperk to Impruneta | 511.06 mi (822.47 km) |
| Sumperk to Induno Olona | 471.67 mi (759.08 km) |
| Sumperk to Inverigo | 463.01 mi (745.15 km) |
| Sumperk to Inveruno | 486.19 mi (782.45 km) |
| Sumperk to Inzago | 463.02 mi (745.16 km) |
| Sumperk to Iseo | 437.34 mi (703.83 km) |
| Sumperk to Isernia | 592.48 mi (953.50 km) |
| Sumperk to Isola Capo Rizzuto | 760.49 mi (1,223.90 km) |
| Sumperk to Isola del Liri | 595.25 mi (957.97 km) |
| Sumperk to Isola della Scala | 426.73 mi (686.75 km) |
| Sumperk to Isola Vicentina | 393.79 mi (633.74 km) |
| Sumperk to Ispica | 916.61 mi (1,475.14 km) |
| Sumperk to Istrana | 372.10 mi (598.84 km) |
| Sumperk to Itri | 622.26 mi (1,001.43 km) |
| Sumperk to Ittiri | 764.18 mi (1,229.83 km) |
