| Castelo Branco to Alum Rock (California) | 5,673.47 mi (9,130.57 km) |
| Castelo Branco to Alvin (Texas) | 4,845.12 mi (7,797.46 km) |
| Castelo Branco to Amarillo (Texas) | 4,921.86 mi (7,920.97 km) |
| Castelo Branco to Amelia (Ohio) | 3,958.97 mi (6,371.34 km) |
| Castelo Branco to American Canyon (California) | 5,650.55 mi (9,093.68 km) |
| Castelo Branco to American Fork (Utah) | 5,134.66 mi (8,263.44 km) |
| Castelo Branco to Americus (Georgia) | 4,193.53 mi (6,748.83 km) |
| Castelo Branco to Ames (Iowa) | 4,293.64 mi (6,909.95 km) |
| Castelo Branco to Amherst (Ohio) | 3,792.22 mi (6,102.99 km) |
| Castelo Branco to Ammon (Idaho) | 5,006.31 mi (8,056.88 km) |
| Castelo Branco to Amsterdam (New York) | 3,371.57 mi (5,426.02 km) |
| Castelo Branco to Anacortes (Washington) | 5,163.60 mi (8,310.01 km) |
| Castelo Branco to Anaheim (California) | 5,683.78 mi (9,147.15 km) |
| Castelo Branco to Anchorage (Alaska) | 5,134.53 mi (8,263.23 km) |
| Castelo Branco to Anderson (California) | 5,540.88 mi (8,917.18 km) |
