| Neu Isenburg to Kalisz | 425.05 mi (684.05 km) |
| Neu Isenburg to Kamien Pomorski | 373.98 mi (601.86 km) |
| Neu Isenburg to Kamienna Gora | 326.67 mi (525.72 km) |
| Neu Isenburg to Karczew | 561.94 mi (904.35 km) |
| Neu Isenburg to Kartuzy | 498.81 mi (802.76 km) |
| Neu Isenburg to Katowice | 456.56 mi (734.76 km) |
| Neu Isenburg to Kedzierzyn-Kozle | 420.38 mi (676.54 km) |
| Neu Isenburg to Kepno | 415.08 mi (668.01 km) |
| Neu Isenburg to Ketrzyn | 605.33 mi (974.19 km) |
| Neu Isenburg to Kety | 467.04 mi (751.63 km) |
| Neu Isenburg to Kielce | 527.37 mi (848.72 km) |
| Neu Isenburg to Kielczow | 379.19 mi (610.24 km) |
| Neu Isenburg to Klobuck | 453.49 mi (729.82 km) |
| Neu Isenburg to Klodzko | 352.13 mi (566.69 km) |
| Neu Isenburg to Kluczbork | 422.74 mi (680.33 km) |
