| Herdecke to Isselburg | 51.14 mi (82.30 km) |
| Herdecke to Issum | 44.50 mi (71.62 km) |
| Herdecke to Itzehoe | 195.06 mi (313.92 km) |
| Herdecke to Jena | 182.85 mi (294.27 km) |
| Herdecke to Jever | 151.52 mi (243.84 km) |
| Herdecke to Jork | 175.21 mi (281.97 km) |
| Herdecke to Juchen | 45.27 mi (72.86 km) |
| Herdecke to Julich | 57.09 mi (91.88 km) |
| Herdecke to Juterbog | 244.90 mi (394.14 km) |
| Herdecke to Kaarst | 37.48 mi (60.31 km) |
| Herdecke to Kaiserslautern | 135.90 mi (218.71 km) |
| Herdecke to Kalkar | 54.30 mi (87.39 km) |
| Herdecke to Kall | 70.21 mi (112.99 km) |
| Herdecke to Kaltenkirchen | 199.10 mi (320.41 km) |
| Herdecke to Kamen | 16.58 mi (26.69 km) |
