| Tustin to Karlovo | 6,654.43 mi (10,709.27 km) |
| Tustin to Karnobat | 6,709.87 mi (10,798.49 km) |
| Tustin to Kavarna | 6,693.61 mi (10,772.32 km) |
| Tustin to Kazanlak | 6,671.24 mi (10,736.32 km) |
| Tustin to Knezha | 6,584.89 mi (10,597.36 km) |
| Tustin to Kostinbrod | 6,602.47 mi (10,625.65 km) |
| Tustin to Kozloduy | 6,559.09 mi (10,555.84 km) |
| Tustin to Kyustendil | 6,619.40 mi (10,652.90 km) |
| Tustin to Levski | 6,619.67 mi (10,653.32 km) |
| Tustin to Lom | 6,543.69 mi (10,531.06 km) |
| Tustin to Lovech | 6,622.89 mi (10,658.51 km) |
| Tustin to Lukovit | 6,604.82 mi (10,629.43 km) |
| Tustin to Lyaskovets | 6,650.32 mi (10,702.65 km) |
| Tustin to Mezdra | 6,595.61 mi (10,614.61 km) |
| Tustin to Momchilgrad | 6,736.42 mi (10,841.22 km) |
