| Constanta to Karis | 1,118.15 mi (1,799.48 km) |
| Constanta to Karkkila | 1,145.45 mi (1,843.43 km) |
| Constanta to Kauhajoki | 1,288.31 mi (2,073.34 km) |
| Constanta to Kauhava | 1,326.71 mi (2,135.13 km) |
| Constanta to Kauniainen | 1,120.70 mi (1,803.59 km) |
| Constanta to Kemi | 1,498.28 mi (2,411.26 km) |
| Constanta to Kemijarvi | 1,558.70 mi (2,508.48 km) |
| Constanta to Kempele | 1,438.44 mi (2,314.95 km) |
| Constanta to Kerava | 1,131.11 mi (1,820.35 km) |
| Constanta to Keuruu | 1,259.95 mi (2,027.70 km) |
| Constanta to Kiiminki | 1,452.80 mi (2,338.05 km) |
| Constanta to Kirkkonummi | 1,115.89 mi (1,795.85 km) |
| Constanta to Kitee | 1,240.55 mi (1,996.47 km) |
| Constanta to Kiuruvesi | 1,348.50 mi (2,170.21 km) |
| Constanta to Kivisto | 1,127.32 mi (1,814.24 km) |
