| San Carlos to Karlovo | 6,525.41 mi (10,501.63 km) |
| San Carlos to Karnobat | 6,572.51 mi (10,577.42 km) |
| San Carlos to Kavarna | 6,549.03 mi (10,539.65 km) |
| San Carlos to Kazanlak | 6,540.02 mi (10,525.15 km) |
| San Carlos to Knezha | 6,456.23 mi (10,390.29 km) |
| San Carlos to Kostinbrod | 6,479.04 mi (10,427.00 km) |
| San Carlos to Kozloduy | 6,430.93 mi (10,349.58 km) |
| San Carlos to Kyustendil | 6,499.56 mi (10,460.04 km) |
| San Carlos to Levski | 6,487.41 mi (10,440.47 km) |
| San Carlos to Lom | 6,417.26 mi (10,327.59 km) |
| San Carlos to Lovech | 6,492.85 mi (10,449.23 km) |
| San Carlos to Lukovit | 6,476.68 mi (10,423.21 km) |
| San Carlos to Lyaskovets | 6,516.57 mi (10,487.41 km) |
| San Carlos to Mezdra | 6,469.38 mi (10,411.46 km) |
| San Carlos to Momchilgrad | 6,608.11 mi (10,634.73 km) |
