| Crystal to Kluczbork | 4,648.89 mi (7,481.66 km) |
| Crystal to Knurow | 4,700.74 mi (7,565.11 km) |
| Crystal to Kobylka | 4,672.63 mi (7,519.87 km) |
| Crystal to Kokoszki | 4,494.99 mi (7,233.98 km) |
| Crystal to Kolbuszowa | 4,793.79 mi (7,714.87 km) |
| Crystal to Kolno | 4,640.29 mi (7,467.83 km) |
| Crystal to Kolo | 4,602.70 mi (7,407.34 km) |
| Crystal to Kolobrzeg | 4,417.01 mi (7,108.49 km) |
| Crystal to Koluszki | 4,659.83 mi (7,499.27 km) |
| Crystal to Komorniki | 4,540.52 mi (7,307.26 km) |
| Crystal to Konin | 4,590.80 mi (7,388.17 km) |
| Crystal to Konskie | 4,705.54 mi (7,572.84 km) |
| Crystal to Konstancin-Jeziorna | 4,682.60 mi (7,535.92 km) |
| Crystal to Konstantynow Lodzki | 4,645.75 mi (7,476.62 km) |
| Crystal to Koronowo | 4,528.02 mi (7,287.14 km) |
