| Viareggio to Koscielisko | 590.26 mi (949.93 km) |
| Viareggio to Koscierzyna | 789.10 mi (1,269.93 km) |
| Viareggio to Kostrzyn | 670.44 mi (1,078.97 km) |
| Viareggio to Kostrzyn nad Odra | 635.62 mi (1,022.93 km) |
| Viareggio to Koszalin | 762.17 mi (1,226.59 km) |
| Viareggio to Kowary | 544.84 mi (876.83 km) |
| Viareggio to Kozienice | 747.28 mi (1,202.63 km) |
| Viareggio to Kozuchow | 598.15 mi (962.63 km) |
| Viareggio to Kozy | 589.63 mi (948.91 km) |
| Viareggio to Krakow | 625.00 mi (1,005.83 km) |
| Viareggio to Krapkowice | 581.84 mi (936.38 km) |
| Viareggio to Krasnik | 740.34 mi (1,191.46 km) |
| Viareggio to Krasnystaw | 777.32 mi (1,250.98 km) |
| Viareggio to Krosno | 675.23 mi (1,086.67 km) |
| Viareggio to Krosno Odrzanskie | 606.87 mi (976.67 km) |
