| Castelo Branco to Sabinanigo | 415.26 mi (668.29 km) |
| Castelo Branco to Sagunto | 383.93 mi (617.88 km) |
| Castelo Branco to Salamanca | 125.01 mi (201.18 km) |
| Castelo Branco to Salobrena | 300.00 mi (482.80 km) |
| Castelo Branco to Salou | 461.95 mi (743.44 km) |
| Castelo Branco to Salt | 557.25 mi (896.81 km) |
| Castelo Branco to Salvatierra de Mino | 165.07 mi (265.65 km) |
| Castelo Branco to Sama | 258.33 mi (415.75 km) |
| Castelo Branco to San Adrian de Besos | 521.40 mi (839.11 km) |
| Castelo Branco to San Agustin de Guadalix | 213.33 mi (343.32 km) |
| Castelo Branco to San Andres de la Barca | 509.26 mi (819.57 km) |
| Castelo Branco to San Andres de Llevaneras | 536.52 mi (863.44 km) |
| Castelo Branco to San Andres del Rabanedo | 217.19 mi (349.54 km) |
| Castelo Branco to San Bartolome | 942.12 mi (1,516.19 km) |
| Castelo Branco to San Baudilio de Llobregat | 511.44 mi (823.09 km) |
