| Erkrath to Isparta | 1,479.40 mi (2,380.86 km) |
| Erkrath to Istanbul | 1,261.84 mi (2,030.73 km) |
| Erkrath to Izmir | 1,320.52 mi (2,125.17 km) |
| Erkrath to Kadinhani | 1,519.22 mi (2,444.95 km) |
| Erkrath to Kadirli | 1,714.05 mi (2,758.50 km) |
| Erkrath to Kagithane | 1,259.62 mi (2,027.17 km) |
| Erkrath to Kahramanmaras | 1,737.48 mi (2,796.21 km) |
| Erkrath to Kahta | 1,797.09 mi (2,892.14 km) |
| Erkrath to Kaman | 1,526.42 mi (2,456.53 km) |
| Erkrath to Kangal | 1,681.06 mi (2,705.41 km) |
| Erkrath to Kapakli | 1,208.70 mi (1,945.21 km) |
| Erkrath to Karaagac | 1,753.85 mi (2,822.55 km) |
| Erkrath to Karaagac | 1,209.58 mi (1,946.63 km) |
| Erkrath to Karabuk | 1,400.49 mi (2,253.86 km) |
| Erkrath to Karahalli | 1,412.77 mi (2,273.64 km) |
