| Castelo Branco to Storm Lake (Iowa) | 4,341.74 mi (6,987.36 km) |
| Castelo Branco to Storrs (Connecticut) | 3,306.08 mi (5,320.62 km) |
| Castelo Branco to Stoughton (Wisconsin) | 4,067.18 mi (6,545.49 km) |
| Castelo Branco to Stow (Ohio) | 3,761.34 mi (6,053.30 km) |
| Castelo Branco to Streamwood (Illinois) | 4,048.58 mi (6,515.56 km) |
| Castelo Branco to Streator (Illinois) | 4,107.24 mi (6,609.96 km) |
| Castelo Branco to Streetsboro (Ohio) | 3,755.32 mi (6,043.61 km) |
| Castelo Branco to Strongsville (Ohio) | 3,776.08 mi (6,077.01 km) |
| Castelo Branco to Stuart (Florida) | 4,167.00 mi (6,706.14 km) |
| Castelo Branco to Stuarts Draft (Virginia) | 3,739.55 mi (6,018.22 km) |
| Castelo Branco to Sturgis (Michigan) | 3,928.84 mi (6,322.86 km) |
| Castelo Branco to Suamico (Wisconsin) | 3,962.71 mi (6,377.36 km) |
| Castelo Branco to Sudley (Virginia) | 3,641.47 mi (5,860.37 km) |
| Castelo Branco to Suffern (New York) | 3,414.69 mi (5,495.42 km) |
| Castelo Branco to Suffolk (Virginia) | 3,661.30 mi (5,892.29 km) |
