| Sofia to Kelsterbach | 867.12 mi (1,395.49 km) |
| Sofia to Kemberg | 801.79 mi (1,290.35 km) |
| Sofia to Kempen | 992.39 mi (1,597.09 km) |
| Sofia to Kempten | 721.24 mi (1,160.73 km) |
| Sofia to Kenzingen | 842.29 mi (1,355.53 km) |
| Sofia to Kerpen | 964.96 mi (1,552.96 km) |
| Sofia to Ketsch | 843.81 mi (1,357.97 km) |
| Sofia to Kevelaer | 1,006.32 mi (1,619.52 km) |
| Sofia to Kiel | 1,001.26 mi (1,611.37 km) |
| Sofia to Kierspe | 941.64 mi (1,515.42 km) |
| Sofia to Kirchhain | 880.47 mi (1,416.99 km) |
| Sofia to Kirchheim bei Munchen | 675.67 mi (1,087.39 km) |
| Sofia to Kirchheim unter Teck | 784.27 mi (1,262.16 km) |
| Sofia to Kirchhundem | 921.52 mi (1,483.05 km) |
| Sofia to Kirchlengern | 946.60 mi (1,523.40 km) |
