| Efringen-Kirchen to Kalisz | 547.90 mi (881.76 km) |
| Efringen-Kirchen to Kamien Pomorski | 537.31 mi (864.71 km) |
| Efringen-Kirchen to Kamienna Gora | 438.62 mi (705.90 km) |
| Efringen-Kirchen to Karczew | 680.41 mi (1,095.01 km) |
| Efringen-Kirchen to Kartuzy | 651.93 mi (1,049.18 km) |
| Efringen-Kirchen to Katowice | 549.23 mi (883.89 km) |
| Efringen-Kirchen to Kedzierzyn-Kozle | 516.14 mi (830.65 km) |
| Efringen-Kirchen to Kepno | 530.00 mi (852.95 km) |
| Efringen-Kirchen to Ketrzyn | 746.37 mi (1,201.17 km) |
| Efringen-Kirchen to Kety | 552.02 mi (888.40 km) |
| Efringen-Kirchen to Kielce | 628.70 mi (1,011.80 km) |
| Efringen-Kirchen to Kielczow | 494.23 mi (795.38 km) |
| Efringen-Kirchen to Klobuck | 558.91 mi (899.48 km) |
| Efringen-Kirchen to Klodzko | 453.57 mi (729.95 km) |
| Efringen-Kirchen to Kluczbork | 531.28 mi (855.02 km) |
