| San Luis Obispo to Karlovo | 6,629.55 mi (10,669.22 km) |
| San Luis Obispo to Karnobat | 6,680.24 mi (10,750.81 km) |
| San Luis Obispo to Kavarna | 6,659.80 mi (10,717.91 km) |
| San Luis Obispo to Kazanlak | 6,645.11 mi (10,694.27 km) |
| San Luis Obispo to Knezha | 6,560.15 mi (10,557.54 km) |
| San Luis Obispo to Kostinbrod | 6,580.73 mi (10,590.67 km) |
| San Luis Obispo to Kozloduy | 6,534.61 mi (10,516.44 km) |
| San Luis Obispo to Kyustendil | 6,599.73 mi (10,621.23 km) |
| San Luis Obispo to Levski | 6,592.90 mi (10,610.24 km) |
| San Luis Obispo to Lom | 6,520.19 mi (10,493.24 km) |
| San Luis Obispo to Lovech | 6,597.39 mi (10,617.48 km) |
| San Luis Obispo to Lukovit | 6,580.40 mi (10,590.13 km) |
| San Luis Obispo to Lyaskovets | 6,622.72 mi (10,658.24 km) |
| San Luis Obispo to Mezdra | 6,572.27 mi (10,577.05 km) |
| San Luis Obispo to Momchilgrad | 6,712.02 mi (10,801.95 km) |
