| Welkenraedt to Kastoria | 1,015.19 mi (1,633.79 km) |
| Welkenraedt to Katerini | 1,071.35 mi (1,724.18 km) |
| Welkenraedt to Keratsini | 1,230.95 mi (1,981.03 km) |
| Welkenraedt to Kerkyra | 1,018.22 mi (1,638.67 km) |
| Welkenraedt to Kiato | 1,199.27 mi (1,930.04 km) |
| Welkenraedt to Kifisia | 1,231.58 mi (1,982.03 km) |
| Welkenraedt to Kilkis | 1,048.73 mi (1,687.77 km) |
| Welkenraedt to Komotini | 1,139.44 mi (1,833.75 km) |
| Welkenraedt to Korinthos | 1,209.13 mi (1,945.90 km) |
| Welkenraedt to Koropi | 1,243.34 mi (2,000.95 km) |
| Welkenraedt to Korydallos | 1,231.20 mi (1,981.43 km) |
| Welkenraedt to Kos | 1,417.66 mi (2,281.50 km) |
| Welkenraedt to Kozani | 1,044.39 mi (1,680.78 km) |
| Welkenraedt to Lagos | 1,125.88 mi (1,811.93 km) |
| Welkenraedt to Lamia | 1,140.52 mi (1,835.49 km) |
