| Arco to Setubal | 1,129.28 mi (1,817.40 km) |
| Arco to Sever do Vouga | 1,028.57 mi (1,655.32 km) |
| Arco to Silves | 1,162.46 mi (1,870.79 km) |
| Arco to Sines | 1,150.04 mi (1,850.81 km) |
| Arco to Sintra | 1,141.55 mi (1,837.15 km) |
| Arco to Sobrado de Paiva | 1,014.70 mi (1,633.01 km) |
| Arco to Sobral de Monte Agraco | 1,122.79 mi (1,806.95 km) |
| Arco to Soure | 1,063.00 mi (1,710.74 km) |
| Arco to Tabua | 1,024.76 mi (1,649.19 km) |
| Arco to Tavira | 1,131.11 mi (1,820.34 km) |
| Arco to Tomar | 1,068.38 mi (1,719.39 km) |
| Arco to Tondela | 1,022.20 mi (1,645.08 km) |
| Arco to Torre de Moncorvo | 956.60 mi (1,539.49 km) |
| Arco to Torres Novas | 1,078.41 mi (1,735.54 km) |
| Arco to Torres Vedras | 1,125.68 mi (1,811.61 km) |
