| Crystal to Coudekerque-Branche | 4,120.22 mi (6,630.86 km) |
| Crystal to Coueron | 4,120.02 mi (6,630.53 km) |
| Crystal to Coulommiers | 4,235.09 mi (6,815.73 km) |
| Crystal to Courbevoic | 4,201.39 mi (6,761.48 km) |
| Crystal to Courcouronnes | 4,219.09 mi (6,789.97 km) |
| Crystal to Cournon-d'Auvergne | 4,368.58 mi (7,030.55 km) |
| Crystal to Courrieres | 4,162.82 mi (6,699.41 km) |
| Crystal to Coutras | 4,270.00 mi (6,871.90 km) |
| Crystal to Couzeix | 4,288.24 mi (6,901.25 km) |
| Crystal to Cran-Gevrier | 4,470.57 mi (7,194.69 km) |
| Crystal to Craponne | 4,426.00 mi (7,122.97 km) |
| Crystal to Creil | 4,195.03 mi (6,751.26 km) |
| Crystal to Crepy-en-Valois | 4,210.69 mi (6,776.45 km) |
| Crystal to Crest | 4,481.67 mi (7,212.56 km) |
| Crystal to Creteil | 4,213.44 mi (6,780.88 km) |
