| Castelo Branco to Ansonia (Connecticut) | 3,356.97 mi (5,402.51 km) |
| Castelo Branco to Antelope (California) | 5,590.03 mi (8,996.29 km) |
| Castelo Branco to Anthem (Arizona) | 5,438.36 mi (8,752.19 km) |
| Castelo Branco to Antioch (California) | 5,642.62 mi (9,080.93 km) |
| Castelo Branco to Antioch (Illinois) | 4,029.44 mi (6,484.76 km) |
| Castelo Branco to Apache Junction (Arizona) | 5,433.53 mi (8,744.43 km) |
| Castelo Branco to Apex (North Carolina) | 3,802.74 mi (6,119.93 km) |
| Castelo Branco to Apollo Beach (Florida) | 4,257.51 mi (6,851.79 km) |
| Castelo Branco to Apopka (Florida) | 4,178.14 mi (6,724.07 km) |
| Castelo Branco to Apple Valley (California) | 5,623.91 mi (9,050.81 km) |
| Castelo Branco to Apple Valley (Minnesota) | 4,183.57 mi (6,732.81 km) |
| Castelo Branco to Appleton (Wisconsin) | 3,987.77 mi (6,417.69 km) |
| Castelo Branco to Arbutus (Maryland) | 3,589.15 mi (5,776.18 km) |
| Castelo Branco to Arcadia (California) | 5,677.25 mi (9,136.64 km) |
| Castelo Branco to Arcata (California) | 5,586.11 mi (8,989.98 km) |
