| Redding to Karlovo | 6,332.98 mi (10,191.95 km) |
| Redding to Karnobat | 6,377.86 mi (10,264.17 km) |
| Redding to Kavarna | 6,352.62 mi (10,223.55 km) |
| Redding to Kazanlak | 6,346.99 mi (10,214.50 km) |
| Redding to Knezha | 6,263.97 mi (10,080.89 km) |
| Redding to Kostinbrod | 6,288.17 mi (10,119.83 km) |
| Redding to Kozloduy | 6,238.84 mi (10,040.45 km) |
| Redding to Kyustendil | 6,309.66 mi (10,154.42 km) |
| Redding to Levski | 6,294.17 mi (10,129.49 km) |
| Redding to Lom | 6,225.66 mi (10,019.23 km) |
| Redding to Lovech | 6,300.19 mi (10,139.18 km) |
| Redding to Lukovit | 6,284.55 mi (10,114.00 km) |
| Redding to Lyaskovets | 6,322.91 mi (10,175.74 km) |
| Redding to Mezdra | 6,277.77 mi (10,103.09 km) |
| Redding to Momchilgrad | 6,415.77 mi (10,325.18 km) |
