| Sieradz to Coudekerque-Branche | 706.12 mi (1,136.39 km) |
| Sieradz to Coueron | 965.19 mi (1,553.32 km) |
| Sieradz to Coulommiers | 717.41 mi (1,154.55 km) |
| Sieradz to Courbevoic | 750.60 mi (1,207.98 km) |
| Sieradz to Courcouronnes | 750.01 mi (1,207.03 km) |
| Sieradz to Cournon-d'Auvergne | 814.56 mi (1,310.91 km) |
| Sieradz to Courrieres | 689.85 mi (1,110.20 km) |
| Sieradz to Coutras | 974.68 mi (1,568.60 km) |
| Sieradz to Couzeix | 887.54 mi (1,428.36 km) |
| Sieradz to Cran-Gevrier | 696.19 mi (1,120.41 km) |
| Sieradz to Craponne | 755.20 mi (1,215.38 km) |
| Sieradz to Creil | 732.37 mi (1,178.63 km) |
| Sieradz to Crepy-en-Valois | 715.68 mi (1,151.77 km) |
| Sieradz to Crest | 788.88 mi (1,269.57 km) |
| Sieradz to Creteil | 744.33 mi (1,197.89 km) |
