| Fallbrook to Karlovo | 6,661.49 mi (10,720.63 km) |
| Fallbrook to Karnobat | 6,717.93 mi (10,811.46 km) |
| Fallbrook to Kavarna | 6,702.58 mi (10,786.75 km) |
| Fallbrook to Kazanlak | 6,678.56 mi (10,748.11 km) |
| Fallbrook to Knezha | 6,591.95 mi (10,608.71 km) |
| Fallbrook to Kostinbrod | 6,608.87 mi (10,635.96 km) |
| Fallbrook to Kozloduy | 6,566.09 mi (10,567.11 km) |
| Fallbrook to Kyustendil | 6,625.36 mi (10,662.48 km) |
| Fallbrook to Levski | 6,627.14 mi (10,665.36 km) |
| Fallbrook to Lom | 6,550.49 mi (10,542.00 km) |
| Fallbrook to Lovech | 6,630.09 mi (10,670.10 km) |
| Fallbrook to Lukovit | 6,611.80 mi (10,640.66 km) |
| Fallbrook to Lyaskovets | 6,657.96 mi (10,714.96 km) |
| Fallbrook to Mezdra | 6,602.36 mi (10,625.47 km) |
| Fallbrook to Momchilgrad | 6,743.35 mi (10,852.38 km) |
