| Crystal to Jozefow | 4,683.55 mi (7,537.44 km) |
| Crystal to Kalisz | 4,607.24 mi (7,414.64 km) |
| Crystal to Kamien Pomorski | 4,402.16 mi (7,084.60 km) |
| Crystal to Kamienna Gora | 4,589.97 mi (7,386.84 km) |
| Crystal to Karczew | 4,686.53 mi (7,542.24 km) |
| Crystal to Kartuzy | 4,487.47 mi (7,221.89 km) |
| Crystal to Katowice | 4,708.68 mi (7,577.88 km) |
| Crystal to Kedzierzyn-Kozle | 4,679.12 mi (7,530.32 km) |
| Crystal to Kepno | 4,627.15 mi (7,446.67 km) |
| Crystal to Ketrzyn | 4,591.28 mi (7,388.95 km) |
| Crystal to Kety | 4,732.93 mi (7,616.92 km) |
| Crystal to Kielce | 4,728.26 mi (7,609.40 km) |
| Crystal to Kielczow | 4,609.00 mi (7,417.47 km) |
| Crystal to Klobuck | 4,674.27 mi (7,522.50 km) |
| Crystal to Klodzko | 4,626.23 mi (7,445.19 km) |
