| Kocaeli to Isny im Allgau | 1,090.21 mi (1,754.52 km) |
| Kocaeli to Isselburg | 1,346.26 mi (2,166.59 km) |
| Kocaeli to Issum | 1,339.36 mi (2,155.49 km) |
| Kocaeli to Itzehoe | 1,309.92 mi (2,108.12 km) |
| Kocaeli to Jena | 1,122.37 mi (1,806.29 km) |
| Kocaeli to Jever | 1,351.30 mi (2,174.70 km) |
| Kocaeli to Jork | 1,288.81 mi (2,074.13 km) |
| Kocaeli to Juchen | 1,323.96 mi (2,130.71 km) |
| Kocaeli to Julich | 1,324.83 mi (2,132.11 km) |
| Kocaeli to Juterbog | 1,111.54 mi (1,788.85 km) |
| Kocaeli to Kaarst | 1,322.62 mi (2,128.55 km) |
| Kocaeli to Kaiserslautern | 1,228.92 mi (1,977.76 km) |
| Kocaeli to Kalkar | 1,350.24 mi (2,173.00 km) |
| Kocaeli to Kall | 1,307.26 mi (2,103.84 km) |
| Kocaeli to Kaltenkirchen | 1,291.83 mi (2,078.99 km) |
