| Siedlce to Coudekerque-Branche | 854.19 mi (1,374.68 km) |
| Siedlce to Coueron | 1,119.68 mi (1,801.94 km) |
| Siedlce to Coulommiers | 871.73 mi (1,402.91 km) |
| Siedlce to Courbevoic | 904.49 mi (1,455.64 km) |
| Siedlce to Courcouronnes | 904.35 mi (1,455.41 km) |
| Siedlce to Cournon-d'Auvergne | 968.54 mi (1,558.71 km) |
| Siedlce to Courrieres | 840.32 mi (1,352.36 km) |
| Siedlce to Coutras | 1,129.46 mi (1,817.69 km) |
| Siedlce to Couzeix | 1,042.44 mi (1,677.64 km) |
| Siedlce to Cran-Gevrier | 847.83 mi (1,364.45 km) |
| Siedlce to Craponne | 908.02 mi (1,461.32 km) |
| Siedlce to Creil | 885.73 mi (1,425.45 km) |
| Siedlce to Crepy-en-Valois | 869.26 mi (1,398.95 km) |
| Siedlce to Crest | 939.20 mi (1,511.50 km) |
| Siedlce to Creteil | 898.46 mi (1,445.94 km) |
