| Kingston upon Thames to Karlovo | 1,319.45 mi (2,123.45 km) |
| Kingston upon Thames to Karnobat | 1,409.97 mi (2,269.13 km) |
| Kingston upon Thames to Kavarna | 1,435.95 mi (2,310.93 km) |
| Kingston upon Thames to Kazanlak | 1,344.96 mi (2,164.50 km) |
| Kingston upon Thames to Knezha | 1,255.49 mi (2,020.52 km) |
| Kingston upon Thames to Kostinbrod | 1,247.30 mi (2,007.33 km) |
| Kingston upon Thames to Kozloduy | 1,230.03 mi (1,979.54 km) |
| Kingston upon Thames to Kyustendil | 1,248.12 mi (2,008.65 km) |
| Kingston upon Thames to Levski | 1,304.23 mi (2,098.96 km) |
| Kingston upon Thames to Lom | 1,207.88 mi (1,943.89 km) |
| Kingston upon Thames to Lovech | 1,296.06 mi (2,085.80 km) |
| Kingston upon Thames to Lukovit | 1,270.74 mi (2,045.05 km) |
| Kingston upon Thames to Lyaskovets | 1,338.88 mi (2,154.72 km) |
| Kingston upon Thames to Mezdra | 1,253.52 mi (2,017.35 km) |
| Kingston upon Thames to Momchilgrad | 1,390.64 mi (2,238.01 km) |
