| Castleton to Karditsa | 1,496.72 mi (2,408.74 km) |
| Castleton to Kastoria | 1,414.50 mi (2,276.42 km) |
| Castleton to Katerini | 1,471.24 mi (2,367.73 km) |
| Castleton to Keratsini | 1,629.84 mi (2,622.98 km) |
| Castleton to Kerkyra | 1,414.28 mi (2,276.06 km) |
| Castleton to Kiato | 1,597.25 mi (2,570.52 km) |
| Castleton to Kifisia | 1,630.75 mi (2,624.44 km) |
| Castleton to Kilkis | 1,448.82 mi (2,331.65 km) |
| Castleton to Komotini | 1,538.09 mi (2,475.32 km) |
| Castleton to Korinthos | 1,607.23 mi (2,586.59 km) |
| Castleton to Koropi | 1,642.39 mi (2,643.18 km) |
| Castleton to Korydallos | 1,630.14 mi (2,623.45 km) |
| Castleton to Kos | 1,817.74 mi (2,925.37 km) |
| Castleton to Kozani | 1,443.90 mi (2,323.73 km) |
| Castleton to Lagos | 1,524.91 mi (2,454.11 km) |
