| Bad Harzburg to Coudekerque-Branche | 356.52 mi (573.77 km) |
| Bad Harzburg to Coueron | 636.92 mi (1,025.02 km) |
| Bad Harzburg to Coulommiers | 391.60 mi (630.22 km) |
| Bad Harzburg to Courbevoic | 419.72 mi (675.47 km) |
| Bad Harzburg to Courcouronnes | 423.59 mi (681.70 km) |
| Bad Harzburg to Cournon-d'Auvergne | 539.99 mi (869.03 km) |
| Bad Harzburg to Courrieres | 344.05 mi (553.70 km) |
| Bad Harzburg to Coutras | 679.37 mi (1,093.35 km) |
| Bad Harzburg to Couzeix | 592.11 mi (952.92 km) |
| Bad Harzburg to Cran-Gevrier | 459.78 mi (739.94 km) |
| Bad Harzburg to Craponne | 499.94 mi (804.57 km) |
| Bad Harzburg to Creil | 397.86 mi (640.29 km) |
| Bad Harzburg to Crepy-en-Valois | 383.04 mi (616.44 km) |
| Bad Harzburg to Crest | 555.55 mi (894.08 km) |
| Bad Harzburg to Creteil | 415.78 mi (669.14 km) |
