| Oregon to Karlovo | 5,102.32 mi (8,211.39 km) |
| Oregon to Karnobat | 5,183.75 mi (8,342.45 km) |
| Oregon to Kavarna | 5,194.66 mi (8,359.99 km) |
| Oregon to Kazanlak | 5,125.78 mi (8,249.15 km) |
| Oregon to Knezha | 5,035.54 mi (8,103.93 km) |
| Oregon to Kostinbrod | 5,034.27 mi (8,101.87 km) |
| Oregon to Kozloduy | 5,009.46 mi (8,061.95 km) |
| Oregon to Kyustendil | 5,038.28 mi (8,108.33 km) |
| Oregon to Levski | 5,080.81 mi (8,176.78 km) |
| Oregon to Lom | 4,988.98 mi (8,028.99 km) |
| Oregon to Lovech | 5,076.11 mi (8,169.22 km) |
| Oregon to Lukovit | 5,052.50 mi (8,131.21 km) |
| Oregon to Lyaskovets | 5,114.91 mi (8,231.65 km) |
| Oregon to Mezdra | 5,037.26 mi (8,106.69 km) |
| Oregon to Momchilgrad | 5,177.28 mi (8,332.02 km) |
