| Rockville Centre to Karditsa | 4,775.16 mi (7,684.87 km) |
| Rockville Centre to Kastoria | 4,700.78 mi (7,565.18 km) |
| Rockville Centre to Katerini | 4,763.55 mi (7,666.19 km) |
| Rockville Centre to Keratsini | 4,906.49 mi (7,896.23 km) |
| Rockville Centre to Kerkyra | 4,678.30 mi (7,529.00 km) |
| Rockville Centre to Kiato | 4,866.99 mi (7,832.66 km) |
| Rockville Centre to Kifisia | 4,910.26 mi (7,902.30 km) |
| Rockville Centre to Kilkis | 4,749.95 mi (7,644.30 km) |
| Rockville Centre to Komotini | 4,851.76 mi (7,808.16 km) |
| Rockville Centre to Korinthos | 4,877.70 mi (7,849.91 km) |
| Rockville Centre to Koropi | 4,920.40 mi (7,918.62 km) |
| Rockville Centre to Korydallos | 4,907.23 mi (7,897.43 km) |
| Rockville Centre to Kos | 5,110.13 mi (8,223.96 km) |
| Rockville Centre to Kozani | 4,731.60 mi (7,614.77 km) |
| Rockville Centre to Lagos | 4,836.90 mi (7,784.23 km) |
