| Mastic to Sesimbra | 3,319.58 mi (5,342.35 km) |
| Mastic to Setubal | 3,327.53 mi (5,355.14 km) |
| Mastic to Sever do Vouga | 3,292.88 mi (5,299.39 km) |
| Mastic to Silves | 3,388.65 mi (5,453.51 km) |
| Mastic to Sines | 3,345.14 mi (5,383.49 km) |
| Mastic to Sintra | 3,295.38 mi (5,303.40 km) |
| Mastic to Sobrado de Paiva | 3,289.83 mi (5,294.47 km) |
| Mastic to Sobral de Monte Agraco | 3,300.95 mi (5,312.36 km) |
| Mastic to Soure | 3,298.16 mi (5,307.88 km) |
| Mastic to Tabua | 3,319.17 mi (5,341.69 km) |
| Mastic to Tavira | 3,429.96 mi (5,519.99 km) |
| Mastic to Tomar | 3,320.96 mi (5,344.57 km) |
| Mastic to Tondela | 3,312.36 mi (5,330.73 km) |
| Mastic to Torre de Moncorvo | 3,339.98 mi (5,375.18 km) |
| Mastic to Torres Novas | 3,318.92 mi (5,341.29 km) |
