| Spodnji Duplek to Karlovo | 519.19 mi (835.55 km) |
| Spodnji Duplek to Karnobat | 613.63 mi (987.54 km) |
| Spodnji Duplek to Kavarna | 649.98 mi (1,046.05 km) |
| Spodnji Duplek to Kazanlak | 545.37 mi (877.68 km) |
| Spodnji Duplek to Knezha | 456.83 mi (735.20 km) |
| Spodnji Duplek to Kostinbrod | 446.59 mi (718.72 km) |
| Spodnji Duplek to Kozloduy | 431.99 mi (695.23 km) |
| Spodnji Duplek to Kyustendil | 449.55 mi (723.49 km) |
| Spodnji Duplek to Levski | 507.31 mi (816.43 km) |
| Spodnji Duplek to Lom | 408.96 mi (658.16 km) |
| Spodnji Duplek to Lovech | 497.09 mi (800.00 km) |
| Spodnji Duplek to Lukovit | 471.07 mi (758.12 km) |
| Spodnji Duplek to Lyaskovets | 541.92 mi (872.14 km) |
| Spodnji Duplek to Mezdra | 453.15 mi (729.28 km) |
| Spodnji Duplek to Momchilgrad | 589.95 mi (949.43 km) |
