| Aberystwyth to Santarem | 936.77 mi (1,507.58 km) |
| Aberystwyth to Santiago do Cacem | 1,019.31 mi (1,640.42 km) |
| Aberystwyth to Santo Andre | 1,017.58 mi (1,637.64 km) |
| Aberystwyth to Santo Tirso | 792.75 mi (1,275.81 km) |
| Aberystwyth to Sao Bras de Alportel | 1,070.61 mi (1,722.99 km) |
| Aberystwyth to Sao Felix da Marinha | 814.76 mi (1,311.23 km) |
| Aberystwyth to Sao Joao da Madeira | 822.34 mi (1,323.42 km) |
| Aberystwyth to Sao Joao de Ver | 819.26 mi (1,318.47 km) |
| Aberystwyth to Sao Mamede de Infesta | 803.34 mi (1,292.85 km) |
| Aberystwyth to Sao Pedro do Sul | 827.50 mi (1,331.74 km) |
| Aberystwyth to Satao | 825.21 mi (1,328.05 km) |
| Aberystwyth to Seia | 846.05 mi (1,361.59 km) |
| Aberystwyth to Senhora da Hora | 804.91 mi (1,295.38 km) |
| Aberystwyth to Serpa | 1,013.99 mi (1,631.86 km) |
| Aberystwyth to Serta | 892.19 mi (1,435.85 km) |
