| Rockville to Karditsa | 4,990.34 mi (8,031.18 km) |
| Rockville to Kastoria | 4,915.72 mi (7,911.08 km) |
| Rockville to Katerini | 4,978.33 mi (8,011.85 km) |
| Rockville to Keratsini | 5,121.78 mi (8,242.72 km) |
| Rockville to Kerkyra | 4,893.73 mi (7,875.69 km) |
| Rockville to Kiato | 5,082.41 mi (8,179.35 km) |
| Rockville to Kifisia | 5,125.50 mi (8,248.69 km) |
| Rockville to Kilkis | 4,964.38 mi (7,989.40 km) |
| Rockville to Komotini | 5,065.53 mi (8,152.18 km) |
| Rockville to Korinthos | 5,093.12 mi (8,196.58 km) |
| Rockville to Koropi | 5,135.67 mi (8,265.07 km) |
| Rockville to Korydallos | 5,122.52 mi (8,243.90 km) |
| Rockville to Kos | 5,325.09 mi (8,569.91 km) |
| Rockville to Kozani | 4,946.51 mi (7,960.64 km) |
| Rockville to Lagos | 5,050.78 mi (8,128.44 km) |
