| Coos Bay to Karlovo | 6,191.45 mi (9,964.18 km) |
| Coos Bay to Karnobat | 6,232.15 mi (10,029.68 km) |
| Coos Bay to Kavarna | 6,203.57 mi (9,983.68 km) |
| Coos Bay to Kazanlak | 6,204.35 mi (9,984.93 km) |
| Coos Bay to Knezha | 6,122.86 mi (9,853.79 km) |
| Coos Bay to Kostinbrod | 6,149.52 mi (9,896.70 km) |
| Coos Bay to Kozloduy | 6,098.07 mi (9,813.90 km) |
| Coos Bay to Kyustendil | 6,172.70 mi (9,934.00 km) |
| Coos Bay to Levski | 6,151.21 mi (9,899.42 km) |
| Coos Bay to Lom | 6,085.78 mi (9,794.11 km) |
| Coos Bay to Lovech | 6,158.28 mi (9,910.80 km) |
| Coos Bay to Lukovit | 6,143.62 mi (9,887.20 km) |
| Coos Bay to Lyaskovets | 6,179.14 mi (9,944.36 km) |
| Coos Bay to Mezdra | 6,137.79 mi (9,877.83 km) |
| Coos Bay to Momchilgrad | 6,274.29 mi (10,097.49 km) |
