| Regensburg to Kalisz | 324.87 mi (522.83 km) |
| Regensburg to Kamien Pomorski | 361.19 mi (581.29 km) |
| Regensburg to Kamienna Gora | 213.97 mi (344.35 km) |
| Regensburg to Karczew | 454.35 mi (731.21 km) |
| Regensburg to Kartuzy | 450.89 mi (725.63 km) |
| Regensburg to Katowice | 321.88 mi (518.01 km) |
| Regensburg to Kedzierzyn-Kozle | 288.44 mi (464.20 km) |
| Regensburg to Kepno | 304.43 mi (489.93 km) |
| Regensburg to Ketrzyn | 530.46 mi (853.69 km) |
| Regensburg to Kety | 325.99 mi (524.64 km) |
| Regensburg to Kielce | 400.96 mi (645.28 km) |
| Regensburg to Kielczow | 269.29 mi (433.39 km) |
| Regensburg to Klobuck | 331.37 mi (533.29 km) |
| Regensburg to Klodzko | 226.19 mi (364.02 km) |
| Regensburg to Kluczbork | 304.28 mi (489.69 km) |
