| Glenn Dale to Corato | 4,669.94 mi (7,515.54 km) |
| Glenn Dale to Corbetta | 4,195.14 mi (6,751.42 km) |
| Glenn Dale to Corciano | 4,418.56 mi (7,110.98 km) |
| Glenn Dale to Cordenons | 4,339.14 mi (6,983.16 km) |
| Glenn Dale to Cori | 4,498.53 mi (7,239.68 km) |
| Glenn Dale to Coriano | 4,403.49 mi (7,086.74 km) |
| Glenn Dale to Corigliano Calabro | 4,733.72 mi (7,618.19 km) |
| Glenn Dale to Corleone | 4,655.56 mi (7,492.39 km) |
| Glenn Dale to Cormano | 4,203.25 mi (6,764.47 km) |
| Glenn Dale to Cornaredo | 4,199.10 mi (6,757.80 km) |
| Glenn Dale to Cornate d'Adda | 4,212.94 mi (6,780.07 km) |
| Glenn Dale to Cornedo Vicentino | 4,294.35 mi (6,911.09 km) |
| Glenn Dale to Correggio | 4,298.03 mi (6,917.01 km) |
| Glenn Dale to Corridonia | 4,468.07 mi (7,190.66 km) |
| Glenn Dale to Corsico | 4,204.81 mi (6,766.98 km) |
