| Langenfeld to Kastoria | 1,002.37 mi (1,613.16 km) |
| Langenfeld to Katerini | 1,056.63 mi (1,700.48 km) |
| Langenfeld to Keratsini | 1,218.70 mi (1,961.31 km) |
| Langenfeld to Kerkyra | 1,010.29 mi (1,625.91 km) |
| Langenfeld to Kiato | 1,188.58 mi (1,912.84 km) |
| Langenfeld to Kifisia | 1,218.75 mi (1,961.39 km) |
| Langenfeld to Kilkis | 1,031.69 mi (1,660.35 km) |
| Langenfeld to Komotini | 1,117.81 mi (1,798.94 km) |
| Langenfeld to Korinthos | 1,198.22 mi (1,928.36 km) |
| Langenfeld to Koropi | 1,230.73 mi (1,980.68 km) |
| Langenfeld to Korydallos | 1,218.86 mi (1,961.56 km) |
| Langenfeld to Kos | 1,401.21 mi (2,255.03 km) |
| Langenfeld to Kozani | 1,031.00 mi (1,659.23 km) |
| Langenfeld to Lagos | 1,104.94 mi (1,778.23 km) |
| Langenfeld to Lamia | 1,128.77 mi (1,816.57 km) |
