| Blyth to Karlovo | 1,460.03 mi (2,349.69 km) |
| Blyth to Karnobat | 1,539.25 mi (2,477.18 km) |
| Blyth to Kavarna | 1,551.56 mi (2,496.99 km) |
| Blyth to Kazanlak | 1,482.60 mi (2,386.02 km) |
| Blyth to Knezha | 1,392.42 mi (2,240.88 km) |
| Blyth to Kostinbrod | 1,395.10 mi (2,245.20 km) |
| Blyth to Kozloduy | 1,366.23 mi (2,198.74 km) |
| Blyth to Kyustendil | 1,403.41 mi (2,258.56 km) |
| Blyth to Levski | 1,436.73 mi (2,312.20 km) |
| Blyth to Lom | 1,346.42 mi (2,166.86 km) |
| Blyth to Lovech | 1,432.85 mi (2,305.95 km) |
| Blyth to Lukovit | 1,409.93 mi (2,269.06 km) |
| Blyth to Lyaskovets | 1,470.68 mi (2,366.83 km) |
| Blyth to Mezdra | 1,395.72 mi (2,246.19 km) |
| Blyth to Momchilgrad | 1,536.96 mi (2,473.51 km) |
