| Castelo Branco to Koscian | 1,425.58 mi (2,294.26 km) |
| Castelo Branco to Koscielisko | 1,487.43 mi (2,393.79 km) |
| Castelo Branco to Koscierzyna | 1,540.72 mi (2,479.56 km) |
| Castelo Branco to Kostrzyn | 1,456.88 mi (2,344.63 km) |
| Castelo Branco to Kostrzyn nad Odra | 1,369.35 mi (2,203.76 km) |
| Castelo Branco to Koszalin | 1,481.21 mi (2,383.77 km) |
| Castelo Branco to Kowary | 1,354.90 mi (2,180.50 km) |
| Castelo Branco to Kozienice | 1,605.57 mi (2,583.92 km) |
| Castelo Branco to Kozuchow | 1,375.26 mi (2,213.27 km) |
| Castelo Branco to Kozy | 1,467.67 mi (2,361.99 km) |
| Castelo Branco to Krakow | 1,505.10 mi (2,422.22 km) |
| Castelo Branco to Krapkowice | 1,432.19 mi (2,304.88 km) |
| Castelo Branco to Krasnik | 1,618.24 mi (2,604.31 km) |
| Castelo Branco to Krasnystaw | 1,659.93 mi (2,671.40 km) |
| Castelo Branco to Krosno | 1,575.52 mi (2,535.56 km) |
