| Widnes to Koscian | 813.18 mi (1,308.69 km) |
| Widnes to Koscielisko | 1,011.34 mi (1,627.60 km) |
| Widnes to Koscierzyna | 844.94 mi (1,359.79 km) |
| Widnes to Kostrzyn | 831.84 mi (1,338.72 km) |
| Widnes to Kostrzyn nad Odra | 723.87 mi (1,164.96 km) |
| Widnes to Koszalin | 771.89 mi (1,242.23 km) |
| Widnes to Kowary | 805.49 mi (1,296.31 km) |
| Widnes to Kozienice | 1,024.80 mi (1,649.26 km) |
| Widnes to Kozuchow | 775.73 mi (1,248.41 km) |
| Widnes to Kozy | 965.00 mi (1,553.01 km) |
| Widnes to Krakow | 992.20 mi (1,596.80 km) |
| Widnes to Krapkowice | 900.96 mi (1,449.95 km) |
| Widnes to Krasnik | 1,065.56 mi (1,714.85 km) |
| Widnes to Krasnystaw | 1,103.92 mi (1,776.58 km) |
| Widnes to Krosno | 1,076.78 mi (1,732.90 km) |
