| Castelo Branco to Santander | 315.94 mi (508.46 km) |
| Castelo Branco to Santany | 566.51 mi (911.71 km) |
| Castelo Branco to Santiago de Compostela | 218.32 mi (351.36 km) |
| Castelo Branco to Santiago del Teide | 956.80 mi (1,539.83 km) |
| Castelo Branco to Santiponce | 182.35 mi (293.47 km) |
| Castelo Branco to Santomera | 367.17 mi (590.90 km) |
| Castelo Branco to Santona | 325.96 mi (524.58 km) |
| Castelo Branco to Santurce-Antiguo | 334.99 mi (539.11 km) |
| Castelo Branco to Sarria | 205.02 mi (329.94 km) |
| Castelo Branco to Sauzal | 934.04 mi (1,503.19 km) |
| Castelo Branco to Sedavi | 379.52 mi (610.78 km) |
| Castelo Branco to Segorbe | 371.86 mi (598.45 km) |
| Castelo Branco to Segovia | 194.37 mi (312.82 km) |
| Castelo Branco to Senmanat | 519.30 mi (835.74 km) |
| Castelo Branco to Sesena | 202.30 mi (325.58 km) |
