| Seaham to Jozefow | 942.31 mi (1,516.50 km) |
| Seaham to Kalisz | 826.72 mi (1,330.48 km) |
| Seaham to Kamien Pomorski | 649.31 mi (1,044.96 km) |
| Seaham to Kamienna Gora | 775.28 mi (1,247.70 km) |
| Seaham to Karczew | 944.18 mi (1,519.51 km) |
| Seaham to Kartuzy | 780.58 mi (1,256.22 km) |
| Seaham to Katowice | 907.73 mi (1,460.85 km) |
| Seaham to Kedzierzyn-Kozle | 873.26 mi (1,405.38 km) |
| Seaham to Kepno | 836.03 mi (1,345.45 km) |
| Seaham to Ketrzyn | 910.06 mi (1,464.59 km) |
| Seaham to Kety | 927.71 mi (1,493.01 km) |
| Seaham to Kielce | 952.25 mi (1,532.50 km) |
| Seaham to Kielczow | 808.66 mi (1,301.42 km) |
| Seaham to Klobuck | 884.10 mi (1,422.83 km) |
| Seaham to Klodzko | 810.58 mi (1,304.50 km) |
