| Seaham to Kluczbork | 854.01 mi (1,374.39 km) |
| Seaham to Knurow | 896.41 mi (1,442.63 km) |
| Seaham to Kobylka | 936.26 mi (1,506.77 km) |
| Seaham to Kokoszki | 791.86 mi (1,274.37 km) |
| Seaham to Kolbuszowa | 1,015.92 mi (1,634.96 km) |
| Seaham to Kolno | 943.10 mi (1,517.78 km) |
| Seaham to Kolo | 837.42 mi (1,347.70 km) |
| Seaham to Kolobrzeg | 678.47 mi (1,091.90 km) |
| Seaham to Koluszki | 894.98 mi (1,440.33 km) |
| Seaham to Komorniki | 759.20 mi (1,221.82 km) |
| Seaham to Konin | 822.48 mi (1,323.65 km) |
| Seaham to Konskie | 934.30 mi (1,503.61 km) |
| Seaham to Konstancin-Jeziorna | 938.88 mi (1,510.98 km) |
| Seaham to Konstantynow Lodzki | 876.49 mi (1,410.57 km) |
| Seaham to Koronowo | 785.76 mi (1,264.55 km) |
