| Buckingham to Karlovo | 1,359.78 mi (2,188.35 km) |
| Buckingham to Karnobat | 1,448.85 mi (2,331.71 km) |
| Buckingham to Kavarna | 1,472.89 mi (2,370.38 km) |
| Buckingham to Kazanlak | 1,384.92 mi (2,228.81 km) |
| Buckingham to Knezha | 1,295.21 mi (2,084.43 km) |
| Buckingham to Kostinbrod | 1,288.51 mi (2,073.65 km) |
| Buckingham to Kozloduy | 1,269.59 mi (2,043.21 km) |
| Buckingham to Kyustendil | 1,290.34 mi (2,076.60 km) |
| Buckingham to Levski | 1,343.40 mi (2,162.00 km) |
| Buckingham to Lom | 1,247.73 mi (2,008.03 km) |
| Buckingham to Lovech | 1,335.82 mi (2,149.80 km) |
| Buckingham to Lukovit | 1,310.79 mi (2,109.52 km) |
| Buckingham to Lyaskovets | 1,378.01 mi (2,217.69 km) |
| Buckingham to Mezdra | 1,293.97 mi (2,082.44 km) |
| Buckingham to Momchilgrad | 1,431.86 mi (2,304.36 km) |
