| Seia to Karis | 1,906.43 mi (3,068.11 km) |
| Seia to Karkkila | 1,939.21 mi (3,120.86 km) |
| Seia to Kauhajoki | 1,957.00 mi (3,149.48 km) |
| Seia to Kauhava | 2,007.11 mi (3,230.13 km) |
| Seia to Kauniainen | 1,943.27 mi (3,127.39 km) |
| Seia to Kemi | 2,153.39 mi (3,465.55 km) |
| Seia to Kemijarvi | 2,257.99 mi (3,633.88 km) |
| Seia to Kempele | 2,140.82 mi (3,445.32 km) |
| Seia to Kerava | 1,960.46 mi (3,155.06 km) |
| Seia to Keuruu | 2,016.49 mi (3,245.23 km) |
| Seia to Kiiminki | 2,156.07 mi (3,469.86 km) |
| Seia to Kirkkonummi | 1,930.39 mi (3,106.66 km) |
| Seia to Kitee | 2,163.18 mi (3,481.30 km) |
| Seia to Kiuruvesi | 2,119.11 mi (3,410.37 km) |
| Seia to Kivisto | 1,950.29 mi (3,138.68 km) |
