| Walthamstow to Karlovo | 1,311.73 mi (2,111.02 km) |
| Walthamstow to Karnobat | 1,401.54 mi (2,255.56 km) |
| Walthamstow to Kavarna | 1,426.64 mi (2,295.95 km) |
| Walthamstow to Kazanlak | 1,337.05 mi (2,151.77 km) |
| Walthamstow to Knezha | 1,247.45 mi (2,007.58 km) |
| Walthamstow to Kostinbrod | 1,240.04 mi (1,995.66 km) |
| Walthamstow to Kozloduy | 1,221.91 mi (1,966.48 km) |
| Walthamstow to Kyustendil | 1,241.44 mi (1,997.91 km) |
| Walthamstow to Levski | 1,295.93 mi (2,085.60 km) |
| Walthamstow to Lom | 1,199.91 mi (1,931.06 km) |
| Walthamstow to Lovech | 1,288.05 mi (2,072.91 km) |
| Walthamstow to Lukovit | 1,262.87 mi (2,032.40 km) |
| Walthamstow to Lyaskovets | 1,330.56 mi (2,141.33 km) |
| Walthamstow to Mezdra | 1,245.86 mi (2,005.02 km) |
| Walthamstow to Momchilgrad | 1,383.40 mi (2,226.37 km) |
