| Castelo Branco to Los Alamos (New Mexico) | 5,093.44 mi (8,197.10 km) |
| Castelo Branco to Los Altos (California) | 5,684.09 mi (9,147.65 km) |
| Castelo Branco to Los Angeles (California) | 5,693.52 mi (9,162.84 km) |
| Castelo Branco to Los Banos (California) | 5,650.00 mi (9,092.79 km) |
| Castelo Branco to Los Gatos (California) | 5,685.41 mi (9,149.78 km) |
| Castelo Branco to Los Lunas (New Mexico) | 5,161.35 mi (8,306.39 km) |
| Castelo Branco to Los Osos (California) | 5,734.62 mi (9,228.98 km) |
| Castelo Branco to Loudoun Valley Estates (Virginia) | 3,636.43 mi (5,852.27 km) |
| Castelo Branco to Louisville (Colorado) | 4,874.26 mi (7,844.36 km) |
| Castelo Branco to Louisville (Kentucky) | 4,054.86 mi (6,525.67 km) |
| Castelo Branco to Lovejoy (Georgia) | 4,149.93 mi (6,678.66 km) |
| Castelo Branco to Loveland (Colorado) | 4,852.64 mi (7,809.57 km) |
| Castelo Branco to Loveland (Ohio) | 3,953.79 mi (6,363.02 km) |
| Castelo Branco to Loves Park (Illinois) | 4,075.75 mi (6,559.29 km) |
| Castelo Branco to Lovington (New Mexico) | 5,084.77 mi (8,183.15 km) |
