| Doncaster to Karlovo | 1,401.72 mi (2,255.85 km) |
| Doncaster to Karnobat | 1,485.96 mi (2,391.42 km) |
| Doncaster to Kavarna | 1,504.09 mi (2,420.59 km) |
| Doncaster to Kazanlak | 1,425.60 mi (2,294.29 km) |
| Doncaster to Knezha | 1,335.42 mi (2,149.15 km) |
| Doncaster to Kostinbrod | 1,333.54 mi (2,146.12 km) |
| Doncaster to Kozloduy | 1,309.44 mi (2,107.34 km) |
| Doncaster to Kyustendil | 1,338.73 mi (2,154.47 km) |
| Doncaster to Levski | 1,381.75 mi (2,223.71 km) |
| Doncaster to Lom | 1,288.57 mi (2,073.75 km) |
| Doncaster to Lovech | 1,376.05 mi (2,214.53 km) |
| Doncaster to Lukovit | 1,352.04 mi (2,175.89 km) |
| Doncaster to Lyaskovets | 1,416.11 mi (2,279.00 km) |
| Doncaster to Mezdra | 1,336.51 mi (2,150.91 km) |
| Doncaster to Momchilgrad | 1,476.46 mi (2,376.14 km) |
