| Calatayud to Karlovo | 1,355.09 mi (2,180.81 km) |
| Calatayud to Karnobat | 1,465.21 mi (2,358.02 km) |
| Calatayud to Kavarna | 1,527.64 mi (2,458.50 km) |
| Calatayud to Kazanlak | 1,385.27 mi (2,229.37 km) |
| Calatayud to Knezha | 1,314.69 mi (2,115.78 km) |
| Calatayud to Kostinbrod | 1,273.67 mi (2,049.78 km) |
| Calatayud to Kozloduy | 1,296.55 mi (2,086.60 km) |
| Calatayud to Kyustendil | 1,249.56 mi (2,010.98 km) |
| Calatayud to Levski | 1,367.77 mi (2,201.21 km) |
| Calatayud to Lom | 1,271.78 mi (2,046.73 km) |
| Calatayud to Lovech | 1,347.87 mi (2,169.19 km) |
| Calatayud to Lukovit | 1,319.91 mi (2,124.18 km) |
| Calatayud to Lyaskovets | 1,398.33 mi (2,250.39 km) |
| Calatayud to Mezdra | 1,296.62 mi (2,086.72 km) |
| Calatayud to Momchilgrad | 1,395.33 mi (2,245.57 km) |
