| Sieradz to Casamassima | 740.97 mi (1,192.48 km) |
| Sieradz to Casandrino | 767.32 mi (1,234.88 km) |
| Sieradz to Casapulla | 757.96 mi (1,219.83 km) |
| Sieradz to Casarano | 800.81 mi (1,288.79 km) |
| Sieradz to Casatenovo | 592.33 mi (953.27 km) |
| Sieradz to Casciana Terme | 673.44 mi (1,083.79 km) |
| Sieradz to Cascina | 666.12 mi (1,072.01 km) |
| Sieradz to Caselle Torinese | 674.32 mi (1,085.22 km) |
| Sieradz to Caserta | 757.31 mi (1,218.77 km) |
| Sieradz to Casier | 505.32 mi (813.23 km) |
| Sieradz to Casorate Primo | 621.40 mi (1,000.05 km) |
| Sieradz to Casoria | 768.89 mi (1,237.41 km) |
| Sieradz to Cassano al Ionio | 824.73 mi (1,327.28 km) |
| Sieradz to Cassano d'Adda | 594.06 mi (956.04 km) |
| Sieradz to Cassano delle Murge | 746.42 mi (1,201.24 km) |
