| Calumet City to Coudekerque-Branche | 4,068.54 mi (6,547.68 km) |
| Calumet City to Coueron | 4,033.40 mi (6,491.12 km) |
| Calumet City to Coulommiers | 4,171.38 mi (6,713.18 km) |
| Calumet City to Courbevoic | 4,135.94 mi (6,656.16 km) |
| Calumet City to Courcouronnes | 4,152.42 mi (6,682.68 km) |
| Calumet City to Cournon-d'Auvergne | 4,286.68 mi (6,898.75 km) |
| Calumet City to Courrieres | 4,108.96 mi (6,612.74 km) |
| Calumet City to Coutras | 4,174.38 mi (6,718.02 km) |
| Calumet City to Couzeix | 4,201.53 mi (6,761.70 km) |
| Calumet City to Cran-Gevrier | 4,398.13 mi (7,078.10 km) |
| Calumet City to Craponne | 4,348.57 mi (6,998.35 km) |
| Calumet City to Creil | 4,132.44 mi (6,650.53 km) |
| Calumet City to Crepy-en-Valois | 4,149.03 mi (6,677.21 km) |
| Calumet City to Crest | 4,399.28 mi (7,079.96 km) |
| Calumet City to Creteil | 4,147.90 mi (6,675.39 km) |
