| Glenn Dale to Castrovillari | 4,711.43 mi (7,582.31 km) |
| Glenn Dale to Catania | 4,749.55 mi (7,643.66 km) |
| Glenn Dale to Catanzaro | 4,764.21 mi (7,667.26 km) |
| Glenn Dale to Cattolica | 4,409.24 mi (7,095.98 km) |
| Glenn Dale to Cava de' Tirreni | 4,611.89 mi (7,422.13 km) |
| Glenn Dale to Cavallino | 4,780.30 mi (7,693.15 km) |
| Glenn Dale to Cavarzere | 4,341.44 mi (6,986.88 km) |
| Glenn Dale to Cave | 4,493.31 mi (7,231.28 km) |
| Glenn Dale to Cavriago | 4,289.62 mi (6,903.48 km) |
| Glenn Dale to Cavriglia | 4,370.50 mi (7,033.64 km) |
| Glenn Dale to Cazzago San Martino | 4,239.06 mi (6,822.11 km) |
| Glenn Dale to Ceccano | 4,519.90 mi (7,274.08 km) |
| Glenn Dale to Cecina | 4,334.98 mi (6,976.47 km) |
| Glenn Dale to Cefalu | 4,680.31 mi (7,532.23 km) |
| Glenn Dale to Ceglie Messapico | 4,736.92 mi (7,623.34 km) |
