| Southall to Karlovo | 1,324.79 mi (2,132.04 km) |
| Southall to Karnobat | 1,415.03 mi (2,277.27 km) |
| Southall to Kavarna | 1,440.64 mi (2,318.49 km) |
| Southall to Kazanlak | 1,350.22 mi (2,172.97 km) |
| Southall to Knezha | 1,260.71 mi (2,028.91 km) |
| Southall to Kostinbrod | 1,252.80 mi (2,016.19 km) |
| Southall to Kozloduy | 1,235.21 mi (1,987.88 km) |
| Southall to Kyustendil | 1,253.83 mi (2,017.84 km) |
| Southall to Levski | 1,309.35 mi (2,107.19 km) |
| Southall to Lom | 1,213.12 mi (1,952.33 km) |
| Southall to Lovech | 1,301.28 mi (2,094.21 km) |
| Southall to Lukovit | 1,276.02 mi (2,053.55 km) |
| Southall to Lyaskovets | 1,343.98 mi (2,162.93 km) |
| Southall to Mezdra | 1,258.88 mi (2,025.97 km) |
| Southall to Momchilgrad | 1,396.15 mi (2,246.89 km) |
