| Glenn Dale to Chivasso | 4,159.28 mi (6,693.72 km) |
| Glenn Dale to Ciampino | 4,479.17 mi (7,208.53 km) |
| Glenn Dale to Cicciano | 4,594.71 mi (7,394.47 km) |
| Glenn Dale to Cingoli | 4,450.98 mi (7,163.17 km) |
| Glenn Dale to Cinisello Balsamo | 4,205.40 mi (6,767.93 km) |
| Glenn Dale to Cinisi | 4,633.37 mi (7,456.69 km) |
| Glenn Dale to Cirie | 4,145.44 mi (6,671.44 km) |
| Glenn Dale to Ciro Marina | 4,769.68 mi (7,676.05 km) |
| Glenn Dale to Cislago | 4,191.49 mi (6,745.55 km) |
| Glenn Dale to Cisterna di Latina | 4,496.70 mi (7,236.74 km) |
| Glenn Dale to Cisternino | 4,730.83 mi (7,613.53 km) |
| Glenn Dale to Citta di Castello | 4,405.52 mi (7,090.00 km) |
| Glenn Dale to Citta Sant'Angelo | 4,517.29 mi (7,269.88 km) |
| Glenn Dale to Cittadella | 4,311.62 mi (6,938.89 km) |
| Glenn Dale to Cittanova | 4,762.12 mi (7,663.88 km) |
