| Bilbao to Koscian | 1,090.55 mi (1,755.08 km) |
| Bilbao to Koscielisko | 1,160.62 mi (1,867.83 km) |
| Bilbao to Koscierzyna | 1,205.58 mi (1,940.20 km) |
| Bilbao to Kostrzyn | 1,121.76 mi (1,805.30 km) |
| Bilbao to Kostrzyn nad Odra | 1,034.07 mi (1,664.17 km) |
| Bilbao to Koszalin | 1,146.62 mi (1,845.30 km) |
| Bilbao to Kowary | 1,021.16 mi (1,643.39 km) |
| Bilbao to Kozienice | 1,272.96 mi (2,048.64 km) |
| Bilbao to Kozuchow | 1,040.23 mi (1,674.09 km) |
| Bilbao to Kozy | 1,138.30 mi (1,831.91 km) |
| Bilbao to Krakow | 1,175.57 mi (1,891.90 km) |
| Bilbao to Krapkowice | 1,100.33 mi (1,770.82 km) |
| Bilbao to Krasnik | 1,287.45 mi (2,071.95 km) |
| Bilbao to Krasnystaw | 1,329.39 mi (2,139.45 km) |
| Bilbao to Krosno | 1,248.30 mi (2,008.95 km) |
