| Koblenz to Isny im Allgau | 214.94 mi (345.92 km) |
| Koblenz to Isselburg | 113.01 mi (181.88 km) |
| Koblenz to Issum | 96.18 mi (154.78 km) |
| Koblenz to Itzehoe | 259.40 mi (417.46 km) |
| Koblenz to Jena | 179.07 mi (288.18 km) |
| Koblenz to Jever | 222.49 mi (358.06 km) |
| Koblenz to Jork | 236.60 mi (380.77 km) |
| Koblenz to Juchen | 70.16 mi (112.90 km) |
| Koblenz to Julich | 66.78 mi (107.48 km) |
| Koblenz to Juterbog | 262.56 mi (422.54 km) |
| Koblenz to Kaarst | 73.09 mi (117.63 km) |
| Koblenz to Kaiserslautern | 63.68 mi (102.48 km) |
| Koblenz to Kalkar | 110.88 mi (178.44 km) |
| Koblenz to Kall | 47.94 mi (77.15 km) |
| Koblenz to Kaltenkirchen | 260.48 mi (419.20 km) |
