| Sofia to Kranenburg | 1,022.58 mi (1,645.68 km) |
| Sofia to Krefeld | 985.77 mi (1,586.45 km) |
| Sofia to Kressbronn am Bodensee | 748.26 mi (1,204.21 km) |
| Sofia to Kreuzau | 968.64 mi (1,558.87 km) |
| Sofia to Kreuztal | 920.80 mi (1,481.89 km) |
| Sofia to Kriftel | 870.32 mi (1,400.64 km) |
| Sofia to Kronach | 771.36 mi (1,241.39 km) |
| Sofia to Kronberg | 872.56 mi (1,404.25 km) |
| Sofia to Kronshagen | 1,003.29 mi (1,614.64 km) |
| Sofia to Krumbach | 734.43 mi (1,181.96 km) |
| Sofia to Kulmbach | 761.72 mi (1,225.86 km) |
| Sofia to Kummersbruck | 717.35 mi (1,154.46 km) |
| Sofia to Kunzell | 841.17 mi (1,353.73 km) |
| Sofia to Kunzelsau | 795.61 mi (1,280.41 km) |
| Sofia to Kurort Steinbach-Hallenberg | 817.28 mi (1,315.28 km) |
