| Opera to Koscielisko | 566.80 mi (912.18 km) |
| Opera to Koscierzyna | 718.03 mi (1,155.56 km) |
| Opera to Kostrzyn | 604.97 mi (973.60 km) |
| Opera to Kostrzyn nad Odra | 555.39 mi (893.82 km) |
| Opera to Koszalin | 683.08 mi (1,099.31 km) |
| Opera to Kowary | 482.20 mi (776.02 km) |
| Opera to Kozienice | 707.96 mi (1,139.36 km) |
| Opera to Kozuchow | 527.46 mi (848.87 km) |
| Opera to Kozy | 556.00 mi (894.79 km) |
| Opera to Krakow | 593.08 mi (954.46 km) |
| Opera to Krapkowice | 535.54 mi (861.87 km) |
| Opera to Krasnik | 709.31 mi (1,141.52 km) |
| Opera to Krasnystaw | 748.99 mi (1,205.38 km) |
| Opera to Krosno | 654.70 mi (1,053.63 km) |
| Opera to Krosno Odrzanskie | 531.64 mi (855.59 km) |
