| Castelo Branco to Frederick (Maryland) | 3,618.87 mi (5,824.01 km) |
| Castelo Branco to Fredericksburg (Texas) | 4,983.87 mi (8,020.76 km) |
| Castelo Branco to Fredericksburg (Virginia) | 3,655.32 mi (5,882.66 km) |
| Castelo Branco to Frederickson (Washington) | 5,221.54 mi (8,403.25 km) |
| Castelo Branco to Freeport (Illinois) | 4,106.08 mi (6,608.10 km) |
| Castelo Branco to Freeport (New York) | 3,399.59 mi (5,471.11 km) |
| Castelo Branco to Freeport (Texas) | 4,866.05 mi (7,831.16 km) |
| Castelo Branco to Fremont (California) | 5,672.00 mi (9,128.20 km) |
| Castelo Branco to Fremont (Nebraska) | 4,441.34 mi (7,147.65 km) |
| Castelo Branco to Fremont (Ohio) | 3,835.12 mi (6,172.03 km) |
| Castelo Branco to French Valley (California) | 5,663.66 mi (9,114.78 km) |
| Castelo Branco to Fresno (California) | 5,622.13 mi (9,047.94 km) |
| Castelo Branco to Fresno (Texas) | 4,847.82 mi (7,801.81 km) |
| Castelo Branco to Fridley (Minnesota) | 4,175.02 mi (6,719.05 km) |
| Castelo Branco to Friendly (Maryland) | 3,616.25 mi (5,819.80 km) |
