| Pittsburgh to Koscian | 4,336.15 mi (6,978.36 km) |
| Pittsburgh to Koscielisko | 4,560.64 mi (7,339.64 km) |
| Pittsburgh to Koscierzyna | 4,309.31 mi (6,935.17 km) |
| Pittsburgh to Kostrzyn | 4,345.37 mi (6,993.20 km) |
| Pittsburgh to Kostrzyn nad Odra | 4,246.41 mi (6,833.94 km) |
| Pittsburgh to Koszalin | 4,243.98 mi (6,830.03 km) |
| Pittsburgh to Kowary | 4,353.25 mi (7,005.88 km) |
| Pittsburgh to Kozienice | 4,530.41 mi (7,290.99 km) |
| Pittsburgh to Kozuchow | 4,310.03 mi (6,936.32 km) |
| Pittsburgh to Kozy | 4,510.73 mi (7,259.32 km) |
| Pittsburgh to Krakow | 4,532.01 mi (7,293.56 km) |
| Pittsburgh to Krapkowice | 4,444.16 mi (7,152.18 km) |
| Pittsburgh to Krasnik | 4,579.98 mi (7,370.77 km) |
| Pittsburgh to Krasnystaw | 4,611.34 mi (7,421.24 km) |
| Pittsburgh to Krosno | 4,613.03 mi (7,423.95 km) |
