| Colleyville to Karlovo | 6,056.17 mi (9,746.46 km) |
| Colleyville to Karnobat | 6,134.56 mi (9,872.62 km) |
| Colleyville to Kavarna | 6,141.55 mi (9,883.87 km) |
| Colleyville to Kazanlak | 6,078.89 mi (9,783.03 km) |
| Colleyville to Knezha | 5,988.70 mi (9,637.89 km) |
| Colleyville to Kostinbrod | 5,989.79 mi (9,639.63 km) |
| Colleyville to Kozloduy | 5,962.52 mi (9,595.75 km) |
| Colleyville to Kyustendil | 5,995.31 mi (9,648.52 km) |
| Colleyville to Levski | 6,032.81 mi (9,708.87 km) |
| Colleyville to Lom | 5,942.60 mi (9,563.69 km) |
| Colleyville to Lovech | 6,029.14 mi (9,702.97 km) |
| Colleyville to Lukovit | 6,006.13 mi (9,665.92 km) |
| Colleyville to Lyaskovets | 6,066.62 mi (9,763.28 km) |
| Colleyville to Mezdra | 5,991.58 mi (9,642.52 km) |
| Colleyville to Momchilgrad | 6,132.36 mi (9,869.08 km) |
