| Sieradz to Imola | 596.54 mi (960.05 km) |
| Sieradz to Impruneta | 648.16 mi (1,043.11 km) |
| Sieradz to Induno Olona | 600.84 mi (966.96 km) |
| Sieradz to Inverigo | 593.72 mi (955.50 km) |
| Sieradz to Inveruno | 616.77 mi (992.60 km) |
| Sieradz to Inzago | 595.14 mi (957.78 km) |
| Sieradz to Iseo | 570.41 mi (917.99 km) |
| Sieradz to Isernia | 722.80 mi (1,163.24 km) |
| Sieradz to Isola Capo Rizzuto | 877.05 mi (1,411.48 km) |
| Sieradz to Isola del Liri | 727.65 mi (1,171.04 km) |
| Sieradz to Isola della Scala | 562.56 mi (905.36 km) |
| Sieradz to Isola Vicentina | 529.69 mi (852.45 km) |
| Sieradz to Ispica | 1,040.97 mi (1,675.28 km) |
| Sieradz to Istrana | 508.76 mi (818.77 km) |
| Sieradz to Itri | 754.36 mi (1,214.02 km) |
