| Ketrzyn to Isny im Allgau | 661.52 mi (1,064.61 km) |
| Ketrzyn to Isselburg | 638.70 mi (1,027.88 km) |
| Ketrzyn to Issum | 647.63 mi (1,042.26 km) |
| Ketrzyn to Itzehoe | 481.45 mi (774.82 km) |
| Ketrzyn to Jena | 465.62 mi (749.34 km) |
| Ketrzyn to Jever | 550.09 mi (885.28 km) |
| Ketrzyn to Jork | 478.36 mi (769.84 km) |
| Ketrzyn to Juchen | 656.27 mi (1,056.16 km) |
| Ketrzyn to Julich | 667.07 mi (1,073.55 km) |
| Ketrzyn to Juterbog | 373.95 mi (601.81 km) |
| Ketrzyn to Kaarst | 648.49 mi (1,043.64 km) |
| Ketrzyn to Kaiserslautern | 663.01 mi (1,067.02 km) |
| Ketrzyn to Kalkar | 647.93 mi (1,042.74 km) |
| Ketrzyn to Kall | 670.83 mi (1,079.60 km) |
| Ketrzyn to Kaltenkirchen | 464.14 mi (746.96 km) |
