| Walsall to Karlovo | 1,412.33 mi (2,272.92 km) |
| Walsall to Karnobat | 1,500.14 mi (2,414.25 km) |
| Walsall to Kavarna | 1,522.48 mi (2,450.19 km) |
| Walsall to Kazanlak | 1,437.15 mi (2,312.87 km) |
| Walsall to Knezha | 1,347.26 mi (2,168.21 km) |
| Walsall to Kostinbrod | 1,341.80 mi (2,159.42 km) |
| Walsall to Kozloduy | 1,321.54 mi (2,126.81 km) |
| Walsall to Kyustendil | 1,344.43 mi (2,163.66 km) |
| Walsall to Levski | 1,394.98 mi (2,245.01 km) |
| Walsall to Lom | 1,299.93 mi (2,092.04 km) |
| Walsall to Lovech | 1,387.91 mi (2,233.62 km) |
| Walsall to Lukovit | 1,363.13 mi (2,193.75 km) |
| Walsall to Lyaskovets | 1,429.54 mi (2,300.62 km) |
| Walsall to Mezdra | 1,346.64 mi (2,167.21 km) |
| Walsall to Momchilgrad | 1,485.11 mi (2,390.06 km) |
