| Castelo Branco to Felida (Washington) | 5,299.86 mi (8,529.31 km) |
| Castelo Branco to Fenton (Michigan) | 3,820.47 mi (6,148.46 km) |
| Castelo Branco to Fergus Falls (Minnesota) | 4,254.36 mi (6,846.74 km) |
| Castelo Branco to Ferguson (Missouri) | 4,254.81 mi (6,847.45 km) |
| Castelo Branco to Fernandina Beach (Florida) | 4,103.54 mi (6,604.00 km) |
| Castelo Branco to Ferndale (Maryland) | 3,587.85 mi (5,774.09 km) |
| Castelo Branco to Ferndale (Michigan) | 3,803.44 mi (6,121.04 km) |
| Castelo Branco to Ferndale (Washington) | 5,144.84 mi (8,279.81 km) |
| Castelo Branco to Fernley (Nevada) | 5,465.71 mi (8,796.21 km) |
| Castelo Branco to Ferry Pass (Florida) | 4,398.84 mi (7,079.25 km) |
| Castelo Branco to Festus (Missouri) | 4,278.52 mi (6,885.62 km) |
| Castelo Branco to Fife (Washington) | 5,214.47 mi (8,391.88 km) |
| Castelo Branco to Fillmore (California) | 5,700.99 mi (9,174.85 km) |
| Castelo Branco to Findlay (Ohio) | 3,868.81 mi (6,226.26 km) |
| Castelo Branco to Finneytown (Ohio) | 3,966.90 mi (6,384.11 km) |
