| Seaham to Karis | 989.71 mi (1,592.78 km) |
| Seaham to Karkkila | 1,014.37 mi (1,632.47 km) |
| Seaham to Kauhajoki | 986.78 mi (1,588.07 km) |
| Seaham to Kauhava | 1,030.00 mi (1,657.62 km) |
| Seaham to Kauniainen | 1,027.73 mi (1,653.97 km) |
| Seaham to Kemi | 1,148.70 mi (1,848.66 km) |
| Seaham to Kemijarvi | 1,250.94 mi (2,013.19 km) |
| Seaham to Kempele | 1,147.71 mi (1,847.07 km) |
| Seaham to Kerava | 1,042.24 mi (1,677.32 km) |
| Seaham to Keuruu | 1,059.46 mi (1,705.03 km) |
| Seaham to Kiiminki | 1,161.15 mi (1,868.69 km) |
| Seaham to Kirkkonummi | 1,015.85 mi (1,634.85 km) |
| Seaham to Kitee | 1,227.12 mi (1,974.87 km) |
| Seaham to Kiuruvesi | 1,146.24 mi (1,844.69 km) |
| Seaham to Kivisto | 1,032.76 mi (1,662.07 km) |
