| Clayton to Karditsa | 1,491.14 mi (2,399.76 km) |
| Clayton to Kastoria | 1,408.57 mi (2,266.87 km) |
| Clayton to Katerini | 1,464.82 mi (2,357.40 km) |
| Clayton to Keratsini | 1,624.17 mi (2,613.85 km) |
| Clayton to Kerkyra | 1,409.64 mi (2,268.60 km) |
| Clayton to Kiato | 1,591.99 mi (2,562.07 km) |
| Clayton to Kifisia | 1,624.92 mi (2,615.05 km) |
| Clayton to Kilkis | 1,441.77 mi (2,320.31 km) |
| Clayton to Komotini | 1,529.80 mi (2,461.97 km) |
| Clayton to Korinthos | 1,601.93 mi (2,578.05 km) |
| Clayton to Koropi | 1,636.63 mi (2,633.90 km) |
| Clayton to Korydallos | 1,624.44 mi (2,614.28 km) |
| Clayton to Kos | 1,810.92 mi (2,914.40 km) |
| Clayton to Kozani | 1,437.83 mi (2,313.96 km) |
| Clayton to Lagos | 1,516.81 mi (2,441.07 km) |
