| Glenn Dale to Coudekerque-Branche | 3,765.49 mi (6,059.96 km) |
| Glenn Dale to Coueron | 3,682.63 mi (5,926.62 km) |
| Glenn Dale to Coulommiers | 3,849.46 mi (6,195.11 km) |
| Glenn Dale to Courbevoic | 3,812.31 mi (6,135.32 km) |
| Glenn Dale to Courcouronnes | 3,826.78 mi (6,158.61 km) |
| Glenn Dale to Cournon-d'Auvergne | 3,937.78 mi (6,337.25 km) |
| Glenn Dale to Courrieres | 3,802.04 mi (6,118.79 km) |
| Glenn Dale to Coutras | 3,808.98 mi (6,129.97 km) |
| Glenn Dale to Couzeix | 3,847.61 mi (6,192.13 km) |
| Glenn Dale to Cran-Gevrier | 4,060.12 mi (6,534.14 km) |
| Glenn Dale to Craponne | 4,004.65 mi (6,444.87 km) |
| Glenn Dale to Creil | 3,812.85 mi (6,136.18 km) |
| Glenn Dale to Crepy-en-Valois | 3,830.40 mi (6,164.44 km) |
| Glenn Dale to Crest | 4,047.80 mi (6,514.31 km) |
| Glenn Dale to Creteil | 3,823.90 mi (6,153.97 km) |
