| Opera to Knurow | 551.17 mi (887.02 km) |
| Opera to Kobylka | 724.51 mi (1,165.99 km) |
| Opera to Kokoszki | 743.47 mi (1,196.49 km) |
| Opera to Kolbuszowa | 671.13 mi (1,080.09 km) |
| Opera to Kolno | 794.44 mi (1,278.53 km) |
| Opera to Kolo | 635.81 mi (1,023.24 km) |
| Opera to Kolobrzeg | 669.86 mi (1,078.04 km) |
| Opera to Koluszki | 652.78 mi (1,050.54 km) |
| Opera to Komorniki | 584.20 mi (940.18 km) |
| Opera to Konin | 625.60 mi (1,006.80 km) |
| Opera to Konskie | 651.96 mi (1,049.23 km) |
| Opera to Konstancin-Jeziorna | 711.44 mi (1,144.96 km) |
| Opera to Konstantynow Lodzki | 637.25 mi (1,025.55 km) |
| Opera to Koronowo | 673.03 mi (1,083.14 km) |
| Opera to Koscian | 572.99 mi (922.14 km) |
