| Asti to Santiago do Cacem | 993.52 mi (1,598.92 km) |
| Asti to Santo Andre | 994.50 mi (1,600.49 km) |
| Asti to Santo Tirso | 874.50 mi (1,407.37 km) |
| Asti to Sao Bras de Alportel | 992.30 mi (1,596.95 km) |
| Asti to Sao Felix da Marinha | 889.92 mi (1,432.19 km) |
| Asti to Sao Joao da Madeira | 887.25 mi (1,427.90 km) |
| Asti to Sao Joao de Ver | 888.66 mi (1,430.15 km) |
| Asti to Sao Mamede de Infesta | 884.39 mi (1,423.28 km) |
| Asti to Sao Pedro do Sul | 871.27 mi (1,402.18 km) |
| Asti to Satao | 855.91 mi (1,377.45 km) |
| Asti to Seia | 863.73 mi (1,390.04 km) |
| Asti to Senhora da Hora | 887.21 mi (1,427.82 km) |
| Asti to Serpa | 947.06 mi (1,524.14 km) |
| Asti to Serta | 902.10 mi (1,451.80 km) |
| Asti to Sesimbra | 995.61 mi (1,602.28 km) |
