| Sieradz to Cesme | 987.55 mi (1,589.31 km) |
| Sieradz to Ceyhan | 1,306.78 mi (2,103.06 km) |
| Sieradz to Ceylanpinar | 1,456.50 mi (2,344.02 km) |
| Sieradz to Cicekdagi | 1,117.63 mi (1,798.65 km) |
| Sieradz to Cide | 948.32 mi (1,526.18 km) |
| Sieradz to Cifteler | 1,029.85 mi (1,657.39 km) |
| Sieradz to Ciftlik | 1,200.84 mi (1,932.57 km) |
| Sieradz to Ciftlikkoy | 907.73 mi (1,460.85 km) |
| Sieradz to Cihanbeyli | 1,125.98 mi (1,812.08 km) |
| Sieradz to Cildir | 1,359.42 mi (2,187.78 km) |
| Sieradz to Cilimli | 941.77 mi (1,515.64 km) |
| Sieradz to Cinar | 1,422.74 mi (2,289.68 km) |
| Sieradz to Cinarcik | 903.51 mi (1,454.05 km) |
| Sieradz to Cine | 1,067.52 mi (1,718.00 km) |
| Sieradz to Civril | 1,061.77 mi (1,708.76 km) |
