| Asten to Santiago do Cacem | 1,161.11 mi (1,868.62 km) |
| Asten to Santo Andre | 1,160.64 mi (1,867.86 km) |
| Asten to Santo Tirso | 967.93 mi (1,557.73 km) |
| Asten to Sao Bras de Alportel | 1,189.19 mi (1,913.81 km) |
| Asten to Sao Felix da Marinha | 989.11 mi (1,591.82 km) |
| Asten to Sao Joao da Madeira | 992.15 mi (1,596.71 km) |
| Asten to Sao Joao de Ver | 991.08 mi (1,595.00 km) |
| Asten to Sao Mamede de Infesta | 979.44 mi (1,576.25 km) |
| Asten to Sao Pedro do Sul | 986.70 mi (1,587.94 km) |
| Asten to Satao | 977.16 mi (1,572.59 km) |
| Asten to Seia | 993.57 mi (1,599.00 km) |
| Asten to Senhora da Hora | 981.86 mi (1,580.16 km) |
| Asten to Serpa | 1,133.90 mi (1,824.83 km) |
| Asten to Serta | 1,040.77 mi (1,674.96 km) |
| Asten to Sesimbra | 1,148.34 mi (1,848.08 km) |
