| Seaham to Koscian | 761.79 mi (1,225.99 km) |
| Seaham to Koscielisko | 975.01 mi (1,569.12 km) |
| Seaham to Koscierzyna | 774.85 mi (1,247.00 km) |
| Seaham to Kostrzyn | 776.83 mi (1,250.19 km) |
| Seaham to Kostrzyn nad Odra | 671.14 mi (1,080.09 km) |
| Seaham to Koszalin | 702.29 mi (1,130.22 km) |
| Seaham to Kowary | 767.30 mi (1,234.84 km) |
| Seaham to Kozienice | 969.41 mi (1,560.12 km) |
| Seaham to Kozuchow | 729.33 mi (1,173.74 km) |
| Seaham to Kozy | 926.26 mi (1,490.68 km) |
| Seaham to Krakow | 950.32 mi (1,529.39 km) |
| Seaham to Krapkowice | 860.40 mi (1,384.68 km) |
| Seaham to Krasnik | 1,013.58 mi (1,631.20 km) |
| Seaham to Krasnystaw | 1,049.98 mi (1,689.78 km) |
| Seaham to Krosno | 1,033.66 mi (1,663.52 km) |
