| Costesti to Karis | 1,065.31 mi (1,714.44 km) |
| Costesti to Karkkila | 1,096.41 mi (1,764.50 km) |
| Costesti to Kauhajoki | 1,231.98 mi (1,982.69 km) |
| Costesti to Kauhava | 1,275.43 mi (2,052.60 km) |
| Costesti to Kauniainen | 1,074.21 mi (1,728.78 km) |
| Costesti to Kemi | 1,455.60 mi (2,342.56 km) |
| Costesti to Kemijarvi | 1,526.24 mi (2,456.25 km) |
| Costesti to Kempele | 1,398.85 mi (2,251.23 km) |
| Costesti to Kerava | 1,086.90 mi (1,749.19 km) |
| Costesti to Keuruu | 1,215.27 mi (1,955.79 km) |
| Costesti to Kiiminki | 1,414.31 mi (2,276.11 km) |
| Costesti to Kirkkonummi | 1,067.46 mi (1,717.91 km) |
| Costesti to Kitee | 1,222.65 mi (1,967.67 km) |
| Costesti to Kiuruvesi | 1,313.18 mi (2,113.35 km) |
| Costesti to Kivisto | 1,081.58 mi (1,740.64 km) |
