| Widnes to Jozefow | 1,000.99 mi (1,610.94 km) |
| Widnes to Kalisz | 877.83 mi (1,412.74 km) |
| Widnes to Kamien Pomorski | 715.81 mi (1,151.98 km) |
| Widnes to Kamienna Gora | 813.90 mi (1,309.85 km) |
| Widnes to Karczew | 1,002.54 mi (1,613.43 km) |
| Widnes to Kartuzy | 852.50 mi (1,371.96 km) |
| Widnes to Katowice | 949.10 mi (1,527.43 km) |
| Widnes to Kedzierzyn-Kozle | 913.44 mi (1,470.04 km) |
| Widnes to Kepno | 883.13 mi (1,421.26 km) |
| Widnes to Ketrzyn | 982.18 mi (1,580.66 km) |
| Widnes to Kety | 966.84 mi (1,555.98 km) |
| Widnes to Kielce | 1,001.22 mi (1,611.32 km) |
| Widnes to Kielczow | 852.97 mi (1,372.72 km) |
| Widnes to Klobuck | 930.19 mi (1,497.00 km) |
| Widnes to Klodzko | 847.72 mi (1,364.28 km) |
