| Helmstedt to Kalisz | 302.40 mi (486.66 km) |
| Helmstedt to Kamien Pomorski | 197.04 mi (317.10 km) |
| Helmstedt to Kamienna Gora | 237.89 mi (382.85 km) |
| Helmstedt to Karczew | 433.80 mi (698.14 km) |
| Helmstedt to Kartuzy | 330.50 mi (531.88 km) |
| Helmstedt to Katowice | 371.59 mi (598.01 km) |
| Helmstedt to Kedzierzyn-Kozle | 336.48 mi (541.52 km) |
| Helmstedt to Kepno | 305.15 mi (491.10 km) |
| Helmstedt to Ketrzyn | 447.99 mi (720.97 km) |
| Helmstedt to Kety | 390.66 mi (628.70 km) |
| Helmstedt to Kielce | 423.53 mi (681.60 km) |
| Helmstedt to Kielczow | 274.59 mi (441.91 km) |
| Helmstedt to Klobuck | 351.88 mi (566.30 km) |
| Helmstedt to Klodzko | 273.12 mi (439.54 km) |
| Helmstedt to Kluczbork | 320.81 mi (516.29 km) |
