| Drexel Hill to Karlovo | 4,861.89 mi (7,824.46 km) |
| Drexel Hill to Karnobat | 4,950.29 mi (7,966.72 km) |
| Drexel Hill to Kavarna | 4,969.77 mi (7,998.07 km) |
| Drexel Hill to Kazanlak | 4,887.11 mi (7,865.04 km) |
| Drexel Hill to Knezha | 4,797.36 mi (7,720.60 km) |
| Drexel Hill to Kostinbrod | 4,789.76 mi (7,708.38 km) |
| Drexel Hill to Kozloduy | 4,771.70 mi (7,679.30 km) |
| Drexel Hill to Kyustendil | 4,789.31 mi (7,707.65 km) |
| Drexel Hill to Levski | 4,845.22 mi (7,797.63 km) |
| Drexel Hill to Lom | 4,749.91 mi (7,644.25 km) |
| Drexel Hill to Lovech | 4,837.98 mi (7,785.98 km) |
| Drexel Hill to Lukovit | 4,812.98 mi (7,745.74 km) |
| Drexel Hill to Lyaskovets | 4,879.77 mi (7,853.23 km) |
| Drexel Hill to Mezdra | 4,796.02 mi (7,718.45 km) |
| Drexel Hill to Momchilgrad | 4,933.06 mi (7,939.00 km) |
