| Bilbao to Karis | 1,606.05 mi (2,584.68 km) |
| Bilbao to Karkkila | 1,639.74 mi (2,638.91 km) |
| Bilbao to Kauhajoki | 1,666.60 mi (2,682.14 km) |
| Bilbao to Kauhava | 1,717.99 mi (2,764.84 km) |
| Bilbao to Kauniainen | 1,642.29 mi (2,643.01 km) |
| Bilbao to Kemi | 1,872.25 mi (3,013.09 km) |
| Bilbao to Kemijarvi | 1,977.00 mi (3,181.68 km) |
| Bilbao to Kempele | 1,855.32 mi (2,985.85 km) |
| Bilbao to Kerava | 1,659.71 mi (2,671.04 km) |
| Bilbao to Keuruu | 1,722.29 mi (2,771.76 km) |
| Bilbao to Kiiminki | 1,871.07 mi (3,011.19 km) |
| Bilbao to Kirkkonummi | 1,629.40 mi (2,622.27 km) |
| Bilbao to Kitee | 1,863.46 mi (2,998.94 km) |
| Bilbao to Kiuruvesi | 1,827.69 mi (2,941.38 km) |
| Bilbao to Kivisto | 1,649.53 mi (2,654.67 km) |
