| Heswall to Karlovo | 1,472.92 mi (2,370.44 km) |
| Heswall to Karnobat | 1,559.06 mi (2,509.07 km) |
| Heswall to Kavarna | 1,579.20 mi (2,541.48 km) |
| Heswall to Kazanlak | 1,497.32 mi (2,409.71 km) |
| Heswall to Knezha | 1,407.26 mi (2,264.77 km) |
| Heswall to Kostinbrod | 1,403.41 mi (2,258.57 km) |
| Heswall to Kozloduy | 1,381.41 mi (2,223.16 km) |
| Heswall to Kyustendil | 1,407.10 mi (2,264.51 km) |
| Heswall to Levski | 1,454.34 mi (2,340.53 km) |
| Heswall to Lom | 1,360.14 mi (2,188.93 km) |
| Heswall to Lovech | 1,447.91 mi (2,330.19 km) |
| Heswall to Lukovit | 1,423.49 mi (2,290.88 km) |
| Heswall to Lyaskovets | 1,488.81 mi (2,396.01 km) |
| Heswall to Mezdra | 1,407.43 mi (2,265.04 km) |
| Heswall to Momchilgrad | 1,546.60 mi (2,489.02 km) |
