| Fallbrook to Los Alamos (New Mexico) | 645.51 mi (1,038.84 km) |
| Fallbrook to Los Altos (California) | 389.31 mi (626.53 km) |
| Fallbrook to Los Angeles (California) | 85.15 mi (137.04 km) |
| Fallbrook to Los Banos (California) | 326.69 mi (525.75 km) |
| Fallbrook to Los Gatos (California) | 377.15 mi (606.96 km) |
| Fallbrook to Los Lunas (New Mexico) | 605.65 mi (974.70 km) |
| Fallbrook to Los Osos (California) | 245.04 mi (394.36 km) |
| Fallbrook to Loudoun Valley Estates (Virginia) | 2,231.06 mi (3,590.54 km) |
| Fallbrook to Louisville (Colorado) | 808.98 mi (1,301.93 km) |
| Fallbrook to Louisville (Kentucky) | 1,792.07 mi (2,884.06 km) |
| Fallbrook to Lovejoy (Georgia) | 1,890.02 mi (3,041.69 km) |
| Fallbrook to Loveland (Colorado) | 828.68 mi (1,333.63 km) |
| Fallbrook to Loveland (Ohio) | 1,868.30 mi (3,006.75 km) |
| Fallbrook to Loves Park (Illinois) | 1,650.32 mi (2,655.94 km) |
| Fallbrook to Lovington (New Mexico) | 804.09 mi (1,294.06 km) |
