| Tallaght to Setubal | 1,027.20 mi (1,653.12 km) |
| Tallaght to Sever do Vouga | 872.55 mi (1,404.23 km) |
| Tallaght to Silves | 1,117.00 mi (1,797.63 km) |
| Tallaght to Sines | 1,066.20 mi (1,715.89 km) |
| Tallaght to Sintra | 1,011.38 mi (1,627.66 km) |
| Tallaght to Sobrado de Paiva | 851.42 mi (1,370.22 km) |
| Tallaght to Sobral de Monte Agraco | 994.84 mi (1,601.03 km) |
| Tallaght to Soure | 920.92 mi (1,482.08 km) |
| Tallaght to Tabua | 896.68 mi (1,443.07 km) |
| Tallaght to Tavira | 1,119.09 mi (1,801.01 km) |
| Tallaght to Tomar | 950.76 mi (1,530.09 km) |
| Tallaght to Tondela | 886.14 mi (1,426.10 km) |
| Tallaght to Torre de Moncorvo | 836.02 mi (1,345.45 km) |
| Tallaght to Torres Novas | 960.50 mi (1,545.78 km) |
| Tallaght to Torres Vedras | 991.09 mi (1,595.01 km) |
