| Castalla to Karditsa | 1,211.17 mi (1,949.19 km) |
| Castalla to Kastoria | 1,173.06 mi (1,887.86 km) |
| Castalla to Katerini | 1,238.37 mi (1,992.96 km) |
| Castalla to Keratsini | 1,314.15 mi (2,114.91 km) |
| Castalla to Kerkyra | 1,103.84 mi (1,776.46 km) |
| Castalla to Kiato | 1,267.05 mi (2,039.11 km) |
| Castalla to Kifisia | 1,323.58 mi (2,130.10 km) |
| Castalla to Kilkis | 1,256.58 mi (2,022.28 km) |
| Castalla to Komotini | 1,389.34 mi (2,235.92 km) |
| Castalla to Korinthos | 1,277.40 mi (2,055.78 km) |
| Castalla to Koropi | 1,328.70 mi (2,138.34 km) |
| Castalla to Korydallos | 1,315.75 mi (2,117.49 km) |
| Castalla to Kos | 1,523.89 mi (2,452.46 km) |
| Castalla to Kozani | 1,200.54 mi (1,932.08 km) |
| Castalla to Lagos | 1,369.00 mi (2,203.19 km) |
