| Boucau to Karis | 1,550.33 mi (2,495.02 km) |
| Boucau to Karkkila | 1,584.51 mi (2,550.02 km) |
| Boucau to Kauhajoki | 1,616.16 mi (2,600.96 km) |
| Boucau to Kauhava | 1,668.09 mi (2,684.53 km) |
| Boucau to Kauniainen | 1,586.18 mi (2,552.71 km) |
| Boucau to Kemi | 1,825.80 mi (2,938.33 km) |
| Boucau to Kemijarvi | 1,930.45 mi (3,106.76 km) |
| Boucau to Kempele | 1,806.91 mi (2,907.94 km) |
| Boucau to Kerava | 1,603.71 mi (2,580.92 km) |
| Boucau to Keuruu | 1,669.82 mi (2,687.32 km) |
| Boucau to Kiiminki | 1,822.87 mi (2,933.62 km) |
| Boucau to Kirkkonummi | 1,573.30 mi (2,531.98 km) |
| Boucau to Kitee | 1,807.81 mi (2,909.39 km) |
| Boucau to Kiuruvesi | 1,776.48 mi (2,858.97 km) |
| Boucau to Kivisto | 1,593.55 mi (2,564.57 km) |
