| Heysham to Karlovo | 1,481.78 mi (2,384.70 km) |
| Heysham to Karnobat | 1,565.55 mi (2,519.51 km) |
| Heysham to Kavarna | 1,582.88 mi (2,547.40 km) |
| Heysham to Kazanlak | 1,505.56 mi (2,422.97 km) |
| Heysham to Knezha | 1,415.36 mi (2,277.80 km) |
| Heysham to Kostinbrod | 1,413.81 mi (2,275.30 km) |
| Heysham to Kozloduy | 1,389.36 mi (2,235.95 km) |
| Heysham to Kyustendil | 1,419.12 mi (2,283.85 km) |
| Heysham to Levski | 1,461.50 mi (2,352.06 km) |
| Heysham to Lom | 1,368.58 mi (2,202.51 km) |
| Heysham to Lovech | 1,455.98 mi (2,343.17 km) |
| Heysham to Lukovit | 1,432.06 mi (2,304.67 km) |
| Heysham to Lyaskovets | 1,495.83 mi (2,407.30 km) |
| Heysham to Mezdra | 1,416.63 mi (2,279.85 km) |
| Heysham to Momchilgrad | 1,556.69 mi (2,505.25 km) |
