| Calexico to Karlovo | 6,656.82 mi (10,713.12 km) |
| Calexico to Karnobat | 6,715.92 mi (10,808.23 km) |
| Calexico to Kavarna | 6,703.01 mi (10,787.46 km) |
| Calexico to Kazanlak | 6,674.59 mi (10,741.72 km) |
| Calexico to Knezha | 6,587.30 mi (10,601.23 km) |
| Calexico to Kostinbrod | 6,602.47 mi (10,625.66 km) |
| Calexico to Kozloduy | 6,561.33 mi (10,559.43 km) |
| Calexico to Kyustendil | 6,617.75 mi (10,650.24 km) |
| Calexico to Levski | 6,623.61 mi (10,659.67 km) |
| Calexico to Lom | 6,545.19 mi (10,533.46 km) |
| Calexico to Lovech | 6,625.82 mi (10,663.23 km) |
| Calexico to Lukovit | 6,606.93 mi (10,632.83 km) |
| Calexico to Lyaskovets | 6,654.87 mi (10,709.97 km) |
| Calexico to Mezdra | 6,596.89 mi (10,616.66 km) |
| Calexico to Momchilgrad | 6,738.30 mi (10,844.25 km) |
