| Neu Isenburg to Kobarid | 345.73 mi (556.40 km) |
| Neu Isenburg to Kobilje | 422.61 mi (680.12 km) |
| Neu Isenburg to Kocevje | 417.20 mi (671.43 km) |
| Neu Isenburg to Komen | 374.32 mi (602.41 km) |
| Neu Isenburg to Komenda | 377.94 mi (608.24 km) |
| Neu Isenburg to Koper | 388.70 mi (625.56 km) |
| Neu Isenburg to Kostanjevica na Krki | 425.39 mi (684.59 km) |
| Neu Isenburg to Kostel | 425.84 mi (685.32 km) |
| Neu Isenburg to Kozje | 418.96 mi (674.25 km) |
| Neu Isenburg to Kranj | 371.01 mi (597.09 km) |
| Neu Isenburg to Kranjska Gora | 339.55 mi (546.45 km) |
| Neu Isenburg to Krizevci | 417.95 mi (672.63 km) |
| Neu Isenburg to Krsko | 422.30 mi (679.63 km) |
| Neu Isenburg to Kuzma | 404.58 mi (651.11 km) |
| Neu Isenburg to Lasko | 403.95 mi (650.09 km) |
