| Caldas da Rainha to Jozefow | 1,689.00 mi (2,718.19 km) |
| Caldas da Rainha to Kalisz | 1,554.29 mi (2,501.39 km) |
| Caldas da Rainha to Kamien Pomorski | 1,502.07 mi (2,417.35 km) |
| Caldas da Rainha to Kamienna Gora | 1,446.62 mi (2,328.12 km) |
| Caldas da Rainha to Karczew | 1,688.53 mi (2,717.43 km) |
| Caldas da Rainha to Kartuzy | 1,634.67 mi (2,630.75 km) |
| Caldas da Rainha to Katowice | 1,556.85 mi (2,505.50 km) |
| Caldas da Rainha to Kedzierzyn-Kozle | 1,524.51 mi (2,453.47 km) |
| Caldas da Rainha to Kepno | 1,538.12 mi (2,475.37 km) |
| Caldas da Rainha to Ketrzyn | 1,743.44 mi (2,805.79 km) |
| Caldas da Rainha to Kety | 1,557.73 mi (2,506.92 km) |
| Caldas da Rainha to Kielce | 1,637.17 mi (2,634.77 km) |
| Caldas da Rainha to Kielczow | 1,502.12 mi (2,417.43 km) |
| Caldas da Rainha to Klobuck | 1,567.81 mi (2,523.15 km) |
| Caldas da Rainha to Klodzko | 1,462.48 mi (2,353.63 km) |
