| Trentham to Karlovo | 1,429.19 mi (2,300.06 km) |
| Trentham to Karnobat | 1,515.92 mi (2,439.64 km) |
| Trentham to Kavarna | 1,536.89 mi (2,473.39 km) |
| Trentham to Kazanlak | 1,453.73 mi (2,339.56 km) |
| Trentham to Knezha | 1,363.73 mi (2,194.71 km) |
| Trentham to Kostinbrod | 1,359.34 mi (2,187.65 km) |
| Trentham to Kozloduy | 1,337.92 mi (2,153.17 km) |
| Trentham to Kyustendil | 1,362.72 mi (2,193.09 km) |
| Trentham to Levski | 1,411.03 mi (2,270.83 km) |
| Trentham to Lom | 1,316.53 mi (2,118.75 km) |
| Trentham to Lovech | 1,404.38 mi (2,260.13 km) |
| Trentham to Lukovit | 1,379.83 mi (2,220.63 km) |
| Trentham to Lyaskovets | 1,445.53 mi (2,326.36 km) |
| Trentham to Mezdra | 1,363.63 mi (2,194.55 km) |
| Trentham to Momchilgrad | 1,502.59 mi (2,418.18 km) |
