| Cologne to Isparta | 1,468.19 mi (2,362.83 km) |
| Cologne to Istanbul | 1,251.94 mi (2,014.81 km) |
| Cologne to Izmir | 1,308.08 mi (2,105.15 km) |
| Cologne to Kadinhani | 1,509.02 mi (2,428.53 km) |
| Cologne to Kadirli | 1,704.99 mi (2,743.92 km) |
| Cologne to Kagithane | 1,249.78 mi (2,011.32 km) |
| Cologne to Kahramanmaras | 1,728.87 mi (2,782.35 km) |
| Cologne to Kahta | 1,789.24 mi (2,879.50 km) |
| Cologne to Kaman | 1,517.54 mi (2,442.25 km) |
| Cologne to Kangal | 1,673.58 mi (2,693.37 km) |
| Cologne to Kapakli | 1,198.56 mi (1,928.90 km) |
| Cologne to Karaagac | 1,744.38 mi (2,807.31 km) |
| Cologne to Karaagac | 1,199.41 mi (1,930.26 km) |
| Cologne to Karabuk | 1,392.38 mi (2,240.83 km) |
| Cologne to Karahalli | 1,401.40 mi (2,255.34 km) |
