| Castelo Branco to Sunbury | 870.79 mi (1,401.39 km) |
| Castelo Branco to Sunderland | 1,080.17 mi (1,738.36 km) |
| Castelo Branco to Sunninghill | 865.25 mi (1,392.48 km) |
| Castelo Branco to Surbiton | 871.19 mi (1,402.04 km) |
| Castelo Branco to Sutton | 871.55 mi (1,402.62 km) |
| Castelo Branco to Sutton Coldfield | 920.89 mi (1,482.02 km) |
| Castelo Branco to Sutton in Ashfield | 965.34 mi (1,553.57 km) |
| Castelo Branco to Sutton on Hull | 1,021.80 mi (1,644.43 km) |
| Castelo Branco to Swadlincote | 938.34 mi (1,510.11 km) |
| Castelo Branco to Swallownest | 979.85 mi (1,576.91 km) |
| Castelo Branco to Swanage | 792.30 mi (1,275.09 km) |
| Castelo Branco to Swindon | 856.40 mi (1,378.24 km) |
| Castelo Branco to Swinton | 988.15 mi (1,590.27 km) |
| Castelo Branco to Swinton | 976.72 mi (1,571.88 km) |
| Castelo Branco to Syston | 940.57 mi (1,513.70 km) |
