| Cayey to Sesimbra | 3,680.56 mi (5,923.28 km) |
| Cayey to Setubal | 3,692.24 mi (5,942.08 km) |
| Cayey to Sever do Vouga | 3,736.32 mi (6,013.02 km) |
| Cayey to Silves | 3,709.09 mi (5,969.21 km) |
| Cayey to Sines | 3,690.15 mi (5,938.72 km) |
| Cayey to Sintra | 3,667.53 mi (5,902.32 km) |
| Cayey to Sobrado de Paiva | 3,743.96 mi (6,025.32 km) |
| Cayey to Sobral de Monte Agraco | 3,681.76 mi (5,925.21 km) |
| Cayey to Soure | 3,716.97 mi (5,981.89 km) |
| Cayey to Tabua | 3,751.02 mi (6,036.68 km) |
| Cayey to Tavira | 3,752.11 mi (6,038.43 km) |
| Cayey to Tomar | 3,725.05 mi (5,994.88 km) |
| Cayey to Tondela | 3,749.37 mi (6,034.04 km) |
| Cayey to Torre de Moncorvo | 3,803.88 mi (6,121.76 km) |
| Cayey to Torres Novas | 3,717.91 mi (5,983.40 km) |
