| Seaham to Krosno Odrzanskie | 702.04 mi (1,129.83 km) |
| Seaham to Krotoszyn | 803.20 mi (1,292.62 km) |
| Seaham to Kruszwica | 814.37 mi (1,310.60 km) |
| Seaham to Krynica | 1,011.94 mi (1,628.56 km) |
| Seaham to Krzeszowice | 936.11 mi (1,506.52 km) |
| Seaham to Kudowa-Zdroj | 794.63 mi (1,278.83 km) |
| Seaham to Kutno | 865.74 mi (1,393.27 km) |
| Seaham to Kwidzyn | 818.19 mi (1,316.75 km) |
| Seaham to Lancut | 1,040.08 mi (1,673.85 km) |
| Seaham to Lapy | 989.09 mi (1,591.79 km) |
| Seaham to Lask | 872.81 mi (1,404.65 km) |
| Seaham to Laziska Gorne | 905.09 mi (1,456.60 km) |
| Seaham to Lebork | 760.19 mi (1,223.40 km) |
| Seaham to Leczna | 1,029.27 mi (1,656.45 km) |
| Seaham to Leczyca | 863.57 mi (1,389.79 km) |
