| Spanish Springs to Karlovo | 6,331.54 mi (10,189.63 km) |
| Spanish Springs to Karnobat | 6,380.36 mi (10,268.20 km) |
| Spanish Springs to Kavarna | 6,358.45 mi (10,232.94 km) |
| Spanish Springs to Kazanlak | 6,346.59 mi (10,213.86 km) |
| Spanish Springs to Knezha | 6,262.25 mi (10,078.12 km) |
| Spanish Springs to Kostinbrod | 6,284.08 mi (10,113.25 km) |
| Spanish Springs to Kozloduy | 6,236.84 mi (10,037.22 km) |
| Spanish Springs to Kyustendil | 6,303.97 mi (10,145.26 km) |
| Spanish Springs to Levski | 6,294.16 mi (10,129.47 km) |
| Spanish Springs to Lom | 6,222.83 mi (10,014.68 km) |
| Spanish Springs to Lovech | 6,299.16 mi (10,137.52 km) |
| Spanish Springs to Lukovit | 6,282.61 mi (10,110.89 km) |
| Spanish Springs to Lyaskovets | 6,323.64 mi (10,176.92 km) |
| Spanish Springs to Mezdra | 6,274.94 mi (10,098.55 km) |
| Spanish Springs to Momchilgrad | 6,414.15 mi (10,322.58 km) |
