| Crystal to Isny im Allgau | 4,532.76 mi (7,294.77 km) |
| Crystal to Isselburg | 4,228.40 mi (6,804.96 km) |
| Crystal to Issum | 4,239.29 mi (6,822.48 km) |
| Crystal to Itzehoe | 4,240.19 mi (6,823.93 km) |
| Crystal to Jena | 4,439.23 mi (7,144.26 km) |
| Crystal to Jever | 4,202.97 mi (6,764.02 km) |
| Crystal to Jork | 4,262.26 mi (6,859.44 km) |
| Crystal to Juchen | 4,260.42 mi (6,856.49 km) |
| Crystal to Julich | 4,263.06 mi (6,860.72 km) |
| Crystal to Juterbog | 4,439.30 mi (7,144.36 km) |
| Crystal to Kaarst | 4,259.48 mi (6,854.97 km) |
| Crystal to Kaiserslautern | 4,375.38 mi (7,041.50 km) |
| Crystal to Kalkar | 4,226.43 mi (6,801.79 km) |
| Crystal to Kall | 4,285.46 mi (6,896.78 km) |
| Crystal to Kaltenkirchen | 4,258.01 mi (6,852.61 km) |
