| Glenn Dale to Celano | 4,511.17 mi (7,260.02 km) |
| Glenn Dale to Cento | 4,320.82 mi (6,953.68 km) |
| Glenn Dale to Cepagatti | 4,523.40 mi (7,279.71 km) |
| Glenn Dale to Ceprano | 4,528.60 mi (7,288.08 km) |
| Glenn Dale to Cercola | 4,590.26 mi (7,387.31 km) |
| Glenn Dale to Cerea | 4,302.45 mi (6,924.12 km) |
| Glenn Dale to Cerese | 4,287.41 mi (6,899.92 km) |
| Glenn Dale to Cerignola | 4,643.72 mi (7,473.34 km) |
| Glenn Dale to Cermenate | 4,194.91 mi (6,751.06 km) |
| Glenn Dale to Cernusco sul Naviglio | 4,211.46 mi (6,777.70 km) |
| Glenn Dale to Cerreto Guidi | 4,335.88 mi (6,977.93 km) |
| Glenn Dale to Cerro Maggiore | 4,192.35 mi (6,746.94 km) |
| Glenn Dale to Certaldo | 4,350.15 mi (7,000.89 km) |
| Glenn Dale to Cerveteri | 4,450.01 mi (7,161.59 km) |
| Glenn Dale to Cervia | 4,382.96 mi (7,053.69 km) |
