| Sieradz to Chivasso | 665.42 mi (1,070.89 km) |
| Sieradz to Ciampino | 736.52 mi (1,185.31 km) |
| Sieradz to Cicciano | 761.45 mi (1,225.43 km) |
| Sieradz to Cingoli | 624.35 mi (1,004.79 km) |
| Sieradz to Cinisello Balsamo | 602.96 mi (970.38 km) |
| Sieradz to Cinisi | 967.75 mi (1,557.45 km) |
| Sieradz to Cirie | 673.09 mi (1,083.23 km) |
| Sieradz to Ciro Marina | 848.64 mi (1,365.76 km) |
| Sieradz to Cislago | 606.21 mi (975.60 km) |
| Sieradz to Cisterna di Latina | 745.92 mi (1,200.44 km) |
| Sieradz to Cisternino | 753.42 mi (1,212.51 km) |
| Sieradz to Citta di Castello | 638.45 mi (1,027.48 km) |
| Sieradz to Citta Sant'Angelo | 665.09 mi (1,070.36 km) |
| Sieradz to Cittadella | 519.35 mi (835.81 km) |
| Sieradz to Cittanova | 924.55 mi (1,487.93 km) |
