| Martha Lake to Coudekerque-Branche | 4,859.69 mi (7,820.92 km) |
| Martha Lake to Coueron | 4,959.48 mi (7,981.51 km) |
| Martha Lake to Coulommiers | 5,001.88 mi (8,049.75 km) |
| Martha Lake to Courbevoic | 4,975.42 mi (8,007.17 km) |
| Martha Lake to Courcouronnes | 4,995.49 mi (8,039.47 km) |
| Martha Lake to Cournon-d'Auvergne | 5,179.35 mi (8,335.37 km) |
| Martha Lake to Courrieres | 4,905.69 mi (7,894.95 km) |
| Martha Lake to Coutras | 5,125.49 mi (8,248.67 km) |
| Martha Lake to Couzeix | 5,117.61 mi (8,236.00 km) |
| Martha Lake to Cran-Gevrier | 5,247.68 mi (8,445.33 km) |
| Martha Lake to Craponne | 5,220.39 mi (8,401.40 km) |
| Martha Lake to Creil | 4,961.21 mi (7,984.29 km) |
| Martha Lake to Crepy-en-Valois | 4,973.11 mi (8,003.44 km) |
| Martha Lake to Crest | 5,287.02 mi (8,508.64 km) |
| Martha Lake to Creteil | 4,986.96 mi (8,025.74 km) |
