| San Mateo to Karlovo | 6,522.97 mi (10,497.70 km) |
| San Mateo to Karnobat | 6,569.97 mi (10,573.34 km) |
| San Mateo to Kavarna | 6,546.42 mi (10,535.44 km) |
| San Mateo to Kazanlak | 6,537.55 mi (10,521.17 km) |
| San Mateo to Knezha | 6,453.79 mi (10,386.37 km) |
| San Mateo to Kostinbrod | 6,476.66 mi (10,423.17 km) |
| San Mateo to Kozloduy | 6,428.50 mi (10,345.67 km) |
| San Mateo to Kyustendil | 6,497.22 mi (10,456.27 km) |
| San Mateo to Levski | 6,484.93 mi (10,436.49 km) |
| San Mateo to Lom | 6,414.85 mi (10,323.71 km) |
| San Mateo to Lovech | 6,490.40 mi (10,445.29 km) |
| San Mateo to Lukovit | 6,474.25 mi (10,419.30 km) |
| San Mateo to Lyaskovets | 6,514.08 mi (10,483.39 km) |
| San Mateo to Mezdra | 6,466.97 mi (10,407.59 km) |
| San Mateo to Momchilgrad | 6,605.67 mi (10,630.80 km) |
