| Tualatin to Karlovo | 6,036.29 mi (9,714.46 km) |
| Tualatin to Karnobat | 6,077.38 mi (9,780.59 km) |
| Tualatin to Kavarna | 6,049.19 mi (9,735.22 km) |
| Tualatin to Kazanlak | 6,049.28 mi (9,735.37 km) |
| Tualatin to Knezha | 5,967.66 mi (9,604.02 km) |
| Tualatin to Kostinbrod | 5,994.15 mi (9,646.65 km) |
| Tualatin to Kozloduy | 5,942.84 mi (9,564.08 km) |
| Tualatin to Kyustendil | 6,017.23 mi (9,683.80 km) |
| Tualatin to Levski | 5,996.16 mi (9,649.89 km) |
| Tualatin to Lom | 5,930.48 mi (9,544.19 km) |
| Tualatin to Lovech | 6,003.14 mi (9,661.13 km) |
| Tualatin to Lukovit | 5,988.41 mi (9,637.41 km) |
| Tualatin to Lyaskovets | 6,024.16 mi (9,694.95 km) |
| Tualatin to Mezdra | 5,982.51 mi (9,627.92 km) |
| Tualatin to Momchilgrad | 6,119.12 mi (9,847.77 km) |
