| Kalkar to Kastoria | 1,052.07 mi (1,693.14 km) |
| Kalkar to Katerini | 1,105.77 mi (1,779.57 km) |
| Kalkar to Keratsini | 1,268.47 mi (2,041.40 km) |
| Kalkar to Kerkyra | 1,061.01 mi (1,707.54 km) |
| Kalkar to Kiato | 1,238.72 mi (1,993.53 km) |
| Kalkar to Kifisia | 1,268.36 mi (2,041.23 km) |
| Kalkar to Kilkis | 1,080.11 mi (1,738.27 km) |
| Kalkar to Komotini | 1,164.36 mi (1,873.86 km) |
| Kalkar to Korinthos | 1,248.32 mi (2,008.97 km) |
| Kalkar to Koropi | 1,280.41 mi (2,060.61 km) |
| Kalkar to Korydallos | 1,268.60 mi (2,041.61 km) |
| Kalkar to Kos | 1,449.68 mi (2,333.03 km) |
| Kalkar to Kozani | 1,080.53 mi (1,738.95 km) |
| Kalkar to Lagos | 1,151.80 mi (1,853.65 km) |
| Kalkar to Lamia | 1,178.68 mi (1,896.90 km) |
