| Castelo Branco to Security-Widefield (Colorado) | 4,905.64 mi (7,894.87 km) |
| Castelo Branco to Sedalia (Missouri) | 4,392.71 mi (7,069.38 km) |
| Castelo Branco to Sedro-Woolley (Washington) | 5,149.35 mi (8,287.08 km) |
| Castelo Branco to Seguin (Texas) | 4,967.58 mi (7,994.55 km) |
| Castelo Branco to Selden (New York) | 3,367.79 mi (5,419.93 km) |
| Castelo Branco to Selma (Alabama) | 4,321.43 mi (6,954.68 km) |
| Castelo Branco to Selma (California) | 5,625.12 mi (9,052.76 km) |
| Castelo Branco to Selma (Texas) | 4,984.45 mi (8,021.70 km) |
| Castelo Branco to Seminole (Florida) | 4,274.23 mi (6,878.71 km) |
| Castelo Branco to Seven Hills (Ohio) | 3,766.70 mi (6,061.91 km) |
| Castelo Branco to Seven Oaks (South Carolina) | 3,970.82 mi (6,390.41 km) |
| Castelo Branco to Severn (Maryland) | 3,592.36 mi (5,781.35 km) |
| Castelo Branco to Severna Park (Maryland) | 3,587.54 mi (5,773.59 km) |
| Castelo Branco to Sevierville (Tennessee) | 4,029.45 mi (6,484.78 km) |
| Castelo Branco to Seymour (Indiana) | 4,040.89 mi (6,503.19 km) |
