| Greenbelt to Karlovo | 4,969.00 mi (7,996.83 km) |
| Greenbelt to Karnobat | 5,057.30 mi (8,138.94 km) |
| Greenbelt to Kavarna | 5,076.61 mi (8,170.02 km) |
| Greenbelt to Kazanlak | 4,994.19 mi (8,037.37 km) |
| Greenbelt to Knezha | 4,904.43 mi (7,892.92 km) |
| Greenbelt to Kostinbrod | 4,896.90 mi (7,880.81 km) |
| Greenbelt to Kozloduy | 4,878.76 mi (7,851.61 km) |
| Greenbelt to Kyustendil | 4,896.48 mi (7,880.13 km) |
| Greenbelt to Levski | 4,952.26 mi (7,969.89 km) |
| Greenbelt to Lom | 4,856.99 mi (7,816.58 km) |
| Greenbelt to Lovech | 4,945.06 mi (7,958.30 km) |
| Greenbelt to Lukovit | 4,920.07 mi (7,918.08 km) |
| Greenbelt to Lyaskovets | 4,986.80 mi (8,025.48 km) |
| Greenbelt to Mezdra | 4,903.13 mi (7,890.83 km) |
| Greenbelt to Momchilgrad | 5,040.21 mi (8,111.43 km) |
