| Castelo Branco to Sumter (South Carolina) | 3,936.83 mi (6,335.72 km) |
| Castelo Branco to Sun City (Arizona) | 5,456.35 mi (8,781.15 km) |
| Castelo Branco to Sun City Center (Florida) | 4,257.01 mi (6,850.99 km) |
| Castelo Branco to Sun City West (Arizona) | 5,457.23 mi (8,782.57 km) |
| Castelo Branco to Sun Lakes (Arizona) | 5,456.35 mi (8,781.15 km) |
| Castelo Branco to Sun Prairie (Wisconsin) | 4,059.59 mi (6,533.27 km) |
| Castelo Branco to Sun Valley (Nevada) | 5,486.08 mi (8,828.99 km) |
| Castelo Branco to Sun Village (California) | 5,653.67 mi (9,098.70 km) |
| Castelo Branco to Sunland Park (New Mexico) | 5,281.58 mi (8,499.88 km) |
| Castelo Branco to Sunny Isles Beach (Florida) | 4,207.68 mi (6,771.61 km) |
| Castelo Branco to Sunnyside (Washington) | 5,177.18 mi (8,331.87 km) |
| Castelo Branco to Sunnyvale (California) | 5,680.59 mi (9,142.03 km) |
| Castelo Branco to Sunrise (Florida) | 4,208.69 mi (6,773.23 km) |
| Castelo Branco to Sunrise Manor (Nevada) | 5,457.40 mi (8,782.83 km) |
| Castelo Branco to Sunset (Florida) | 4,228.35 mi (6,804.87 km) |
