| Orsta to Karlovo | 1,550.78 mi (2,495.74 km) |
| Orsta to Karnobat | 1,596.48 mi (2,569.29 km) |
| Orsta to Kavarna | 1,576.72 mi (2,537.49 km) |
| Orsta to Kazanlak | 1,564.40 mi (2,517.66 km) |
| Orsta to Knezha | 1,482.02 mi (2,385.08 km) |
| Orsta to Kostinbrod | 1,509.05 mi (2,428.58 km) |
| Orsta to Kozloduy | 1,457.15 mi (2,345.05 km) |
| Orsta to Kyustendil | 1,533.66 mi (2,468.19 km) |
| Orsta to Levski | 1,511.55 mi (2,432.61 km) |
| Orsta to Lom | 1,444.86 mi (2,325.27 km) |
| Orsta to Lovech | 1,517.80 mi (2,442.66 km) |
| Orsta to Lukovit | 1,502.73 mi (2,418.42 km) |
| Orsta to Lyaskovets | 1,540.40 mi (2,479.03 km) |
| Orsta to Mezdra | 1,496.86 mi (2,408.96 km) |
| Orsta to Momchilgrad | 1,633.61 mi (2,629.04 km) |
