| Caldas da Rainha to Kobarid | 1,238.71 mi (1,993.51 km) |
| Caldas da Rainha to Kobilje | 1,376.13 mi (2,214.67 km) |
| Caldas da Rainha to Kocevje | 1,289.70 mi (2,075.56 km) |
| Caldas da Rainha to Komen | 1,239.82 mi (1,995.29 km) |
| Caldas da Rainha to Komenda | 1,282.72 mi (2,064.33 km) |
| Caldas da Rainha to Koper | 1,235.06 mi (1,987.64 km) |
| Caldas da Rainha to Kostanjevica na Krki | 1,319.13 mi (2,122.94 km) |
| Caldas da Rainha to Kostel | 1,290.37 mi (2,076.65 km) |
| Caldas da Rainha to Kozje | 1,328.50 mi (2,138.01 km) |
| Caldas da Rainha to Kranj | 1,275.10 mi (2,052.08 km) |
| Caldas da Rainha to Kranjska Gora | 1,252.49 mi (2,015.69 km) |
| Caldas da Rainha to Krizevci | 1,362.53 mi (2,192.78 km) |
| Caldas da Rainha to Krsko | 1,323.26 mi (2,129.58 km) |
| Caldas da Rainha to Kuzma | 1,363.96 mi (2,195.09 km) |
| Caldas da Rainha to Lasko | 1,314.63 mi (2,115.69 km) |
