| Llanelli to Santarem | 887.26 mi (1,427.91 km) |
| Llanelli to Santiago do Cacem | 969.63 mi (1,560.47 km) |
| Llanelli to Santo Andre | 967.93 mi (1,557.74 km) |
| Llanelli to Santo Tirso | 743.53 mi (1,196.60 km) |
| Llanelli to Sao Bras de Alportel | 1,020.50 mi (1,642.34 km) |
| Llanelli to Sao Felix da Marinha | 765.59 mi (1,232.09 km) |
| Llanelli to Sao Joao da Madeira | 773.03 mi (1,244.07 km) |
| Llanelli to Sao Joao de Ver | 770.01 mi (1,239.21 km) |
| Llanelli to Sao Mamede de Infesta | 754.18 mi (1,213.74 km) |
| Llanelli to Sao Pedro do Sul | 777.88 mi (1,251.88 km) |
| Llanelli to Satao | 775.39 mi (1,247.87 km) |
| Llanelli to Seia | 796.17 mi (1,281.31 km) |
| Llanelli to Senhora da Hora | 755.80 mi (1,216.33 km) |
| Llanelli to Serpa | 963.83 mi (1,551.14 km) |
| Llanelli to Serta | 842.44 mi (1,355.78 km) |
