| McAllen to Karlovo | 6,458.24 mi (10,393.54 km) |
| McAllen to Karnobat | 6,541.04 mi (10,526.79 km) |
| McAllen to Kavarna | 6,552.93 mi (10,545.91 km) |
| McAllen to Kazanlak | 6,482.10 mi (10,431.93 km) |
| McAllen to Knezha | 6,391.89 mi (10,286.75 km) |
| McAllen to Kostinbrod | 6,389.15 mi (10,282.34 km) |
| McAllen to Kozloduy | 6,365.87 mi (10,244.87 km) |
| McAllen to Kyustendil | 6,391.89 mi (10,286.76 km) |
| McAllen to Levski | 6,437.68 mi (10,360.45 km) |
| McAllen to Lom | 6,345.11 mi (10,211.46 km) |
| McAllen to Lovech | 6,432.50 mi (10,352.11 km) |
| McAllen to Lukovit | 6,408.58 mi (10,313.61 km) |
| McAllen to Lyaskovets | 6,471.88 mi (10,415.48 km) |
| McAllen to Mezdra | 6,392.95 mi (10,288.45 km) |
| McAllen to Momchilgrad | 6,532.36 mi (10,512.82 km) |
