| Belfast to Karis | 1,155.05 mi (1,858.88 km) |
| Belfast to Karkkila | 1,177.49 mi (1,894.98 km) |
| Belfast to Kauhajoki | 1,136.98 mi (1,829.79 km) |
| Belfast to Kauhava | 1,176.67 mi (1,893.67 km) |
| Belfast to Kauniainen | 1,192.70 mi (1,919.46 km) |
| Belfast to Kemi | 1,279.39 mi (2,058.98 km) |
| Belfast to Kemijarvi | 1,378.65 mi (2,218.72 km) |
| Belfast to Kempele | 1,285.05 mi (2,068.08 km) |
| Belfast to Kerava | 1,206.40 mi (1,941.51 km) |
| Belfast to Keuruu | 1,212.95 mi (1,952.06 km) |
| Belfast to Kiiminki | 1,297.33 mi (2,087.85 km) |
| Belfast to Kirkkonummi | 1,181.22 mi (1,900.99 km) |
| Belfast to Kitee | 1,384.24 mi (2,227.72 km) |
| Belfast to Kiuruvesi | 1,292.68 mi (2,080.37 km) |
| Belfast to Kivisto | 1,197.22 mi (1,926.74 km) |
