| Panama City to Karlovo | 5,745.88 mi (9,247.10 km) |
| Panama City to Karnobat | 5,835.76 mi (9,391.75 km) |
| Panama City to Kavarna | 5,856.80 mi (9,425.60 km) |
| Panama City to Kazanlak | 5,771.49 mi (9,288.31 km) |
| Panama City to Knezha | 5,681.98 mi (9,144.27 km) |
| Panama City to Kostinbrod | 5,672.79 mi (9,129.47 km) |
| Panama City to Kozloduy | 5,656.46 mi (9,103.19 km) |
| Panama City to Kyustendil | 5,671.03 mi (9,126.64 km) |
| Panama City to Levski | 5,730.37 mi (9,222.14 km) |
| Panama City to Lom | 5,634.40 mi (9,067.69 km) |
| Panama City to Lovech | 5,722.56 mi (9,209.58 km) |
| Panama City to Lukovit | 5,697.26 mi (9,168.86 km) |
| Panama City to Lyaskovets | 5,764.98 mi (9,277.83 km) |
| Panama City to Mezdra | 5,679.90 mi (9,140.92 km) |
| Panama City to Momchilgrad | 5,815.93 mi (9,359.83 km) |
