| Galveston to Karlovo | 6,166.85 mi (9,924.58 km) |
| Galveston to Karnobat | 6,250.22 mi (10,058.76 km) |
| Galveston to Kavarna | 6,262.92 mi (10,079.19 km) |
| Galveston to Kazanlak | 6,190.84 mi (9,963.19 km) |
| Galveston to Knezha | 6,100.65 mi (9,818.05 km) |
| Galveston to Kostinbrod | 6,097.46 mi (9,812.91 km) |
| Galveston to Kozloduy | 6,074.66 mi (9,776.21 km) |
| Galveston to Kyustendil | 6,099.94 mi (9,816.90 km) |
| Galveston to Levski | 6,146.66 mi (9,892.09 km) |
| Galveston to Lom | 6,053.79 mi (9,742.64 km) |
| Galveston to Lovech | 6,141.27 mi (9,883.43 km) |
| Galveston to Lukovit | 6,117.24 mi (9,844.75 km) |
| Galveston to Lyaskovets | 6,180.90 mi (9,947.20 km) |
| Galveston to Mezdra | 6,101.48 mi (9,819.39 km) |
| Galveston to Momchilgrad | 6,240.71 mi (10,043.45 km) |
