| Sliven to Karkkila | 1,236.50 mi (1,989.95 km) |
| Sliven to Kauhajoki | 1,374.93 mi (2,212.73 km) |
| Sliven to Kauhava | 1,416.78 mi (2,280.08 km) |
| Sliven to Kauniainen | 1,213.31 mi (1,952.63 km) |
| Sliven to Kemi | 1,594.25 mi (2,565.70 km) |
| Sliven to Kemijarvi | 1,661.07 mi (2,673.23 km) |
| Sliven to Kempele | 1,536.23 mi (2,472.32 km) |
| Sliven to Kerava | 1,225.20 mi (1,971.77 km) |
| Sliven to Keuruu | 1,354.13 mi (2,179.26 km) |
| Sliven to Kiiminki | 1,551.30 mi (2,496.57 km) |
| Sliven to Kirkkonummi | 1,207.24 mi (1,942.86 km) |
| Sliven to Kitee | 1,350.54 mi (2,173.49 km) |
| Sliven to Kiuruvesi | 1,448.70 mi (2,331.46 km) |
| Sliven to Kivisto | 1,220.43 mi (1,964.09 km) |
| Sliven to Klaukkala | 1,224.67 mi (1,970.91 km) |
