| Herzogenrath to Kastoria | 1,019.58 mi (1,640.85 km) |
| Herzogenrath to Katerini | 1,075.21 mi (1,730.39 km) |
| Herzogenrath to Keratsini | 1,235.55 mi (1,988.43 km) |
| Herzogenrath to Kerkyra | 1,023.96 mi (1,647.91 km) |
| Herzogenrath to Kiato | 1,204.30 mi (1,938.14 km) |
| Herzogenrath to Kifisia | 1,236.01 mi (1,989.17 km) |
| Herzogenrath to Kilkis | 1,051.91 mi (1,692.88 km) |
| Herzogenrath to Komotini | 1,141.25 mi (1,836.66 km) |
| Herzogenrath to Korinthos | 1,214.10 mi (1,953.90 km) |
| Herzogenrath to Koropi | 1,247.84 mi (2,008.20 km) |
| Herzogenrath to Korydallos | 1,235.77 mi (1,988.79 km) |
| Herzogenrath to Kos | 1,421.08 mi (2,287.01 km) |
| Herzogenrath to Kozani | 1,048.62 mi (1,687.60 km) |
| Herzogenrath to Lagos | 1,127.90 mi (1,815.18 km) |
| Herzogenrath to Lamia | 1,145.24 mi (1,843.09 km) |
