| Agen to Setubal | 629.71 mi (1,013.42 km) |
| Agen to Sever do Vouga | 516.67 mi (831.50 km) |
| Agen to Silves | 677.70 mi (1,090.65 km) |
| Agen to Sines | 655.38 mi (1,054.73 km) |
| Agen to Sintra | 637.82 mi (1,026.47 km) |
| Agen to Sobrado de Paiva | 501.85 mi (807.65 km) |
| Agen to Sobral de Monte Agraco | 618.44 mi (995.29 km) |
| Agen to Soure | 553.85 mi (891.33 km) |
| Agen to Tabua | 515.43 mi (829.51 km) |
| Agen to Tavira | 653.36 mi (1,051.48 km) |
| Agen to Tomar | 562.71 mi (905.60 km) |
| Agen to Tondela | 511.88 mi (823.79 km) |
| Agen to Torre de Moncorvo | 444.86 mi (715.93 km) |
| Agen to Torres Novas | 573.26 mi (922.57 km) |
| Agen to Torres Vedras | 620.48 mi (998.57 km) |
