| Sieradz to Celano | 701.19 mi (1,128.45 km) |
| Sieradz to Cento | 585.43 mi (942.16 km) |
| Sieradz to Cepagatti | 674.71 mi (1,085.85 km) |
| Sieradz to Ceprano | 737.05 mi (1,186.17 km) |
| Sieradz to Cercola | 770.47 mi (1,239.95 km) |
| Sieradz to Cerea | 560.59 mi (902.19 km) |
| Sieradz to Cerese | 582.29 mi (937.10 km) |
| Sieradz to Cerignola | 726.60 mi (1,169.34 km) |
| Sieradz to Cermenate | 599.82 mi (965.32 km) |
| Sieradz to Cernusco sul Naviglio | 600.85 mi (966.98 km) |
| Sieradz to Cerreto Guidi | 652.49 mi (1,050.09 km) |
| Sieradz to Cerro Maggiore | 609.27 mi (980.52 km) |
| Sieradz to Certaldo | 661.49 mi (1,064.56 km) |
| Sieradz to Cerveteri | 733.36 mi (1,180.22 km) |
| Sieradz to Cervia | 586.78 mi (944.33 km) |
