| Castanet-Tolosan to Koscielisko | 959.16 mi (1,543.61 km) |
| Castanet-Tolosan to Koscierzyna | 1,043.52 mi (1,679.38 km) |
| Castanet-Tolosan to Kostrzyn | 948.11 mi (1,525.84 km) |
| Castanet-Tolosan to Kostrzyn nad Odra | 870.82 mi (1,401.44 km) |
| Castanet-Tolosan to Koszalin | 991.39 mi (1,595.49 km) |
| Castanet-Tolosan to Kowary | 838.09 mi (1,348.78 km) |
| Castanet-Tolosan to Kozienice | 1,084.02 mi (1,744.56 km) |
| Castanet-Tolosan to Kozuchow | 866.14 mi (1,393.92 km) |
| Castanet-Tolosan to Kozy | 941.46 mi (1,515.14 km) |
| Castanet-Tolosan to Krakow | 978.95 mi (1,575.46 km) |
| Castanet-Tolosan to Krapkowice | 909.71 mi (1,464.03 km) |
| Castanet-Tolosan to Krasnik | 1,093.36 mi (1,759.60 km) |
| Castanet-Tolosan to Krasnystaw | 1,134.61 mi (1,825.98 km) |
| Castanet-Tolosan to Krosno | 1,047.36 mi (1,685.57 km) |
| Castanet-Tolosan to Krosno Odrzanskie | 860.71 mi (1,385.18 km) |
