| Glenn Dale to Karditsa | 4,979.34 mi (8,013.47 km) |
| Glenn Dale to Kastoria | 4,904.91 mi (7,893.69 km) |
| Glenn Dale to Katerini | 4,967.63 mi (7,994.63 km) |
| Glenn Dale to Keratsini | 5,110.68 mi (8,224.85 km) |
| Glenn Dale to Kerkyra | 4,882.51 mi (7,857.64 km) |
| Glenn Dale to Kiato | 5,071.19 mi (8,161.30 km) |
| Glenn Dale to Kifisia | 5,114.45 mi (8,230.91 km) |
| Glenn Dale to Kilkis | 4,953.92 mi (7,972.56 km) |
| Glenn Dale to Komotini | 5,055.46 mi (8,135.97 km) |
| Glenn Dale to Korinthos | 5,081.91 mi (8,178.54 km) |
| Glenn Dale to Koropi | 5,124.59 mi (8,247.24 km) |
| Glenn Dale to Korydallos | 5,111.43 mi (8,226.05 km) |
| Glenn Dale to Kos | 5,314.27 mi (8,552.49 km) |
| Glenn Dale to Kozani | 4,935.72 mi (7,943.28 km) |
| Glenn Dale to Lagos | 5,040.64 mi (8,112.13 km) |
