| Cities | Distance |
|---|---|
| Opera to Kalisz | 597.63 mi (961.79 km) |
| Opera to Kamien Pomorski | 642.70 mi (1,034.33 km) |
| Opera to Kamienna Gora | 487.64 mi (784.78 km) |
| Opera to Karczew | 716.04 mi (1,152.35 km) |
| Opera to Kartuzy | 735.27 mi (1,183.30 km) |
| Opera to Katowice | 565.38 mi (909.90 km) |
| Opera to Kedzierzyn-Kozle | 538.93 mi (867.32 km) |
| Opera to Kepno | 572.24 mi (920.94 km) |
| Opera to Ketrzyn | 808.06 mi (1,300.45 km) |
| Opera to Kety | 559.72 mi (900.78 km) |
| Opera to Kielce | 647.78 mi (1,042.50 km) |
| Opera to Kielczow | 540.08 mi (869.18 km) |
| Opera to Klobuck | 588.04 mi (946.36 km) |
| Opera to Klodzko | 489.71 mi (788.11 km) |
| Opera to Kluczbork | 566.36 mi (911.47 km) |