| Willebroek to Isselburg | 104.78 mi (168.63 km) |
| Willebroek to Issum | 94.65 mi (152.32 km) |
| Willebroek to Itzehoe | 293.00 mi (471.54 km) |
| Willebroek to Jena | 313.96 mi (505.26 km) |
| Willebroek to Jever | 228.63 mi (367.95 km) |
| Willebroek to Jork | 281.84 mi (453.57 km) |
| Willebroek to Juchen | 92.69 mi (149.17 km) |
| Willebroek to Julich | 87.18 mi (140.30 km) |
| Willebroek to Juterbog | 379.41 mi (610.61 km) |
| Willebroek to Kaarst | 98.08 mi (157.84 km) |
| Willebroek to Kaiserslautern | 187.45 mi (301.67 km) |
| Willebroek to Kalkar | 95.11 mi (153.07 km) |
| Willebroek to Kall | 101.78 mi (163.80 km) |
| Willebroek to Kaltenkirchen | 303.46 mi (488.37 km) |
| Willebroek to Kamen | 146.94 mi (236.48 km) |
