| Sieradz to Cervignano del Friuli | 469.03 mi (754.83 km) |
| Sieradz to Cesa | 765.31 mi (1,231.65 km) |
| Sieradz to Cesano Maderno | 601.23 mi (967.58 km) |
| Sieradz to Cesena | 596.67 mi (960.25 km) |
| Sieradz to Cesenatico | 589.47 mi (948.67 km) |
| Sieradz to Cetraro | 846.77 mi (1,362.74 km) |
| Sieradz to Cherasco | 693.29 mi (1,115.74 km) |
| Sieradz to Chiampo | 539.10 mi (867.60 km) |
| Sieradz to Chiaravalle | 607.22 mi (977.22 km) |
| Sieradz to Chiari | 583.06 mi (938.34 km) |
| Sieradz to Chiavari | 664.56 mi (1,069.51 km) |
| Sieradz to Chieri | 676.40 mi (1,088.57 km) |
| Sieradz to Chieti | 674.31 mi (1,085.19 km) |
| Sieradz to Chioggia | 530.98 mi (854.53 km) |
| Sieradz to Chiusi | 672.51 mi (1,082.30 km) |
