| Southgate to Karlovo | 1,317.06 mi (2,119.60 km) |
| Southgate to Karnobat | 1,406.78 mi (2,263.99 km) |
| Southgate to Kavarna | 1,431.75 mi (2,304.18 km) |
| Southgate to Kazanlak | 1,342.36 mi (2,160.32 km) |
| Southgate to Knezha | 1,252.75 mi (2,016.10 km) |
| Southgate to Kostinbrod | 1,245.43 mi (2,004.32 km) |
| Southgate to Kozloduy | 1,227.20 mi (1,974.99 km) |
| Southgate to Kyustendil | 1,246.88 mi (2,006.66 km) |
| Southgate to Levski | 1,301.19 mi (2,094.06 km) |
| Southgate to Lom | 1,205.21 mi (1,939.60 km) |
| Southgate to Lovech | 1,293.34 mi (2,081.43 km) |
| Southgate to Lukovit | 1,268.19 mi (2,040.95 km) |
| Southgate to Lyaskovets | 1,335.82 mi (2,149.79 km) |
| Southgate to Mezdra | 1,251.20 mi (2,013.61 km) |
| Southgate to Momchilgrad | 1,388.78 mi (2,235.03 km) |
