| Calumet City to Karlovo | 5,256.11 mi (8,458.90 km) |
| Calumet City to Karnobat | 5,334.59 mi (8,585.20 km) |
| Calumet City to Kavarna | 5,342.05 mi (8,597.20 km) |
| Calumet City to Kazanlak | 5,278.83 mi (8,495.45 km) |
| Calumet City to Knezha | 5,188.64 mi (8,350.31 km) |
| Calumet City to Kostinbrod | 5,189.84 mi (8,352.24 km) |
| Calumet City to Kozloduy | 5,162.46 mi (8,308.17 km) |
| Calumet City to Kyustendil | 5,195.57 mi (8,361.47 km) |
| Calumet City to Levski | 5,232.77 mi (8,421.33 km) |
| Calumet City to Lom | 5,142.54 mi (8,276.13 km) |
| Calumet City to Lovech | 5,229.08 mi (8,415.39 km) |
| Calumet City to Lukovit | 5,206.07 mi (8,378.36 km) |
| Calumet City to Lyaskovets | 5,266.59 mi (8,475.76 km) |
| Calumet City to Mezdra | 5,191.55 mi (8,354.99 km) |
| Calumet City to Momchilgrad | 5,332.36 mi (8,581.61 km) |
