| Planken to Isny im Allgau | 42.36 mi (68.17 km) |
| Planken to Isselburg | 349.41 mi (562.32 km) |
| Planken to Issum | 331.81 mi (534.00 km) |
| Planken to Itzehoe | 465.81 mi (749.64 km) |
| Planken to Jena | 274.84 mi (442.32 km) |
| Planken to Jever | 447.37 mi (719.97 km) |
| Planken to Jork | 438.87 mi (706.29 km) |
| Planken to Juchen | 303.34 mi (488.17 km) |
| Planken to Julich | 295.58 mi (475.68 km) |
| Planken to Juterbog | 368.11 mi (592.41 km) |
| Planken to Kaarst | 308.16 mi (495.94 km) |
| Planken to Kaiserslautern | 176.02 mi (283.27 km) |
| Planken to Kalkar | 346.69 mi (557.95 km) |
| Planken to Kall | 269.19 mi (433.21 km) |
| Planken to Kaltenkirchen | 460.29 mi (740.77 km) |
