| Secaucus to Karlovo | 4,775.07 mi (7,684.74 km) |
| Secaucus to Karnobat | 4,863.43 mi (7,826.93 km) |
| Secaucus to Kavarna | 4,882.89 mi (7,858.26 km) |
| Secaucus to Kazanlak | 4,800.27 mi (7,725.29 km) |
| Secaucus to Knezha | 4,710.52 mi (7,580.85 km) |
| Secaucus to Kostinbrod | 4,702.98 mi (7,568.71 km) |
| Secaucus to Kozloduy | 4,684.85 mi (7,539.54 km) |
| Secaucus to Kyustendil | 4,702.59 mi (7,568.08 km) |
| Secaucus to Levski | 4,758.37 mi (7,657.85 km) |
| Secaucus to Lom | 4,663.08 mi (7,504.50 km) |
| Secaucus to Lovech | 4,751.14 mi (7,646.23 km) |
| Secaucus to Lukovit | 4,726.15 mi (7,606.00 km) |
| Secaucus to Lyaskovets | 4,792.91 mi (7,713.45 km) |
| Secaucus to Mezdra | 4,709.21 mi (7,578.74 km) |
| Secaucus to Momchilgrad | 4,846.28 mi (7,799.34 km) |
