| Katwijk to Isny im Allgau | 399.15 mi (642.37 km) |
| Katwijk to Isselburg | 90.78 mi (146.09 km) |
| Katwijk to Issum | 97.04 mi (156.16 km) |
| Katwijk to Itzehoe | 242.90 mi (390.91 km) |
| Katwijk to Jena | 320.09 mi (515.14 km) |
| Katwijk to Jever | 173.51 mi (279.24 km) |
| Katwijk to Jork | 238.09 mi (383.18 km) |
| Katwijk to Juchen | 117.27 mi (188.73 km) |
| Katwijk to Julich | 121.44 mi (195.44 km) |
| Katwijk to Juterbog | 367.48 mi (591.40 km) |
| Katwijk to Kaarst | 116.13 mi (186.89 km) |
| Katwijk to Kaiserslautern | 240.05 mi (386.32 km) |
| Katwijk to Kalkar | 85.97 mi (138.35 km) |
| Katwijk to Kall | 146.50 mi (235.76 km) |
| Katwijk to Kaltenkirchen | 256.66 mi (413.05 km) |
