| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sabacheira | city | Santarem | Portugal | 39.68 | -8.48 | 830 | 5460 |
| Saborosa | city | Santarem | Portugal | 39.67 | -8.41 | 830 | 7606 |
| Salgueira | city | Santarem | Portugal | 39.61 | -8.16 | 928 | 3085 |
| Salgueira de Cima | city | Santarem | Portugal | 39.78 | -8.55 | 830 | 5929 |
| Salgueiral | city | Santarem | Portugal | 39.12 | -8.49 | 239 | 2877 |
| Salgueiral | city | Santarem | Portugal | 39.69 | -8.28 | 961 | 5099 |
| Salvador | city | Santarem | Portugal | 39.21 | -8.41 | 830 | 624 |
| Salvaterra de Magos | city | Santarem | Portugal | 39.03 | -8.79 | 98 | 8947 |
| Samarra | city | Santarem | Portugal | 39.47 | -8.20 | 223 | 21751 |
| Samora Correia | city | Santarem | Portugal | 38.94 | -8.87 | 36 | 12234 |
| Sandoeira | city | Santarem | Portugal | 39.72 | -8.48 | 341 | 6581 |
| Sanguinheira | city | Santarem | Portugal | 39.63 | -7.96 | 1669 | 1848 |
| Sanguinheira | city | Santarem | Portugal | 39.26 | -8.21 | 830 | 891 |
| Sanguinheira | city | Santarem | Portugal | 39.56 | -7.90 | 830 | 1373 |
| Sanguinheira Velha | city | Santarem | Portugal | 39.04 | -8.28 | 354 | 900 |
| Santa Catarina | city | Santarem | Portugal | 39.64 | -8.37 | 830 | 18215 |
| Santa Cita | city | Santarem | Portugal | 39.54 | -8.39 | 193 | 14686 |
| Santa Justa | city | Santarem | Portugal | 39.00 | -8.29 | 65 | 894 |
| Santa Margarida da Coutada | city | Santarem | Portugal | 39.45 | -8.32 | 380 | 6331 |
| Santa Marta | city | Santarem | Portugal | 39.32 | -8.43 | 196 | 2911 |
| Santana do Mato | city | Santarem | Portugal | 38.88 | -8.40 | 830 | 792 |
| Santarenas | city | Santarem | Portugal | 39.23 | -8.68 | 49 | 36159 |
| Santarém | city | Santarem | Portugal | 39.23 | -8.68 | 49 | 36159 |
| Santarém dos Tojos | city | Santarem | Portugal | 39.70 | -8.63 | 856 | 9603 |
| Santiago de Montalegre | city | Santarem | Portugal | 39.59 | -8.17 | 1017 | 4014 |
| Santo Aleixo | city | Santarem | Portugal | 39.53 | -7.85 | 393 | 915 |
| Santo Antonino | city | Santarem | Portugal | 38.97 | -8.53 | 55 | 9076 |
| Santo Estevam | city | Santarem | Portugal | 38.86 | -8.74 | 19 | 2116 |
| Santo Estevao | city | Santarem | Portugal | 38.86 | -8.74 | 19 | 2116 |
| Santos | city | Santarem | Portugal | 39.37 | -8.71 | 830 | 7197 |
| Santos | city | Santarem | Portugal | 39.60 | -7.97 | 1105 | 2420 |
| Sao Bras | city | Santarem | Portugal | 38.96 | -8.73 | 9 | 6102 |
| Sao Fucundo | city | Santarem | Portugal | 39.37 | -8.11 | 830 | 1659 |
| Sao Miguel | city | Santarem | Portugal | 39.57 | -8.00 | 882 | 2781 |
| Sao Sebastiao | city | Santarem | Portugal | 39.50 | -8.10 | 830 | 5121 |
| Sao Silvestre | city | Santarem | Portugal | 39.38 | -8.67 | 200 | 6519 |
| Sao Simao | city | Santarem | Portugal | 39.55 | -8.18 | 830 | 8374 |
| Sao Vicente do Paul | city | Santarem | Portugal | 39.35 | -8.62 | 72 | 4423 |
| Saramaga | city | Santarem | Portugal | 39.56 | -8.09 | 889 | 3199 |
| Sardoal | city | Santarem | Portugal | 39.54 | -8.16 | 830 | 7925 |
| Scalabis | city | Santarem | Portugal | 39.23 | -8.68 | 49 | 36159 |
| Secorio | city | Santarem | Portugal | 39.26 | -8.76 | 118 | 10853 |
| Semideiro | city | Santarem | Portugal | 39.32 | -8.30 | 830 | 1082 |
| Sentieiras | city | Santarem | Portugal | 39.53 | -8.19 | 830 | 11659 |
| Serra | city | Santarem | Portugal | 39.58 | -8.08 | 1669 | 2626 |
| Serra | city | Santarem | Portugal | 39.60 | -8.30 | 1000 | 4484 |
| Serra de Baixo | city | Santarem | Portugal | 39.66 | -8.48 | 830 | 5545 |
| Serra de Cima | city | Santarem | Portugal | 39.67 | -8.48 | 830 | 5367 |
| Serra de Santa Catarina | city | Santarem | Portugal | 39.69 | -8.33 | 1145 | 5129 |
| Serra de Santo António | city | Santarem | Portugal | 39.51 | -8.73 | 1223 | 9060 |
| Sesmarias | city | Santarem | Portugal | 39.65 | -8.27 | 830 | 4370 |
| Silveira | city | Santarem | Portugal | 39.61 | -8.31 | 1062 | 6411 |
| Sinterra | city | Santarem | Portugal | 39.33 | -8.76 | 830 | 6037 |
| Sismarias | city | Santarem | Portugal | 38.16 | -8.44 | 206 | 250 |
| Sismarias | city | Santarem | Portugal | 39.32 | -8.96 | 357 | 10586 |
| Soalheira | city | Santarem | Portugal | 39.72 | -8.46 | 830 | 5863 |
| Sobral | city | Santarem | Portugal | 39.36 | -8.62 | 216 | 4468 |
| Sobral | city | Santarem | Portugal | 39.67 | -8.33 | 830 | 5123 |
| Sobral | city | Santarem | Portugal | 39.60 | -8.58 | 905 | 7866 |
| Sobral | city | Santarem | Portugal | 39.66 | -8.45 | 830 | 5877 |
| Sobral Basto | city | Santarem | Portugal | 39.58 | -8.21 | 830 | 3610 |
| Soriço | city | Santarem | Portugal | 39.30 | -8.77 | 328 | 6349 |
| Soroes | city | Santarem | Portugal | 39.43 | -8.88 | 830 | 5419 |
| Soudos | city | Santarem | Portugal | 39.55 | -8.48 | 311 | 8757 |
| Souroes | city | Santarem | Portugal | 39.52 | -8.10 | 830 | 4996 |
| Soutaria | city | Santarem | Portugal | 39.69 | -8.60 | 830 | 14773 |
| Souto | city | Santarem | Portugal | 39.58 | -8.23 | 830 | 3449 |
| Suimo | city | Santarem | Portugal | 39.67 | -8.45 | 413 | 4978 |
| São Caetano | city | Santarem | Portugal | 39.43 | -8.45 | 118 | 21966 |
| São Domingos | city | Santarem | Portugal | 39.60 | -8.17 | 1095 | 3578 |
| São Facundo | city | Santarem | Portugal | 39.37 | -8.11 | 830 | 1659 |
| São Jorge | city | Santarem | Portugal | 39.82 | -8.47 | 830 | 4851 |
| São José | city | Santarem | Portugal | 39.53 | -7.85 | 830 | 915 |
| São João da Ribeira | city | Santarem | Portugal | 39.28 | -8.84 | 282 | 5080 |
| São Miguel de Rio Torto | city | Santarem | Portugal | 39.43 | -8.22 | 830 | 16606 |
| São Pedro | city | Santarem | Portugal | 39.25 | -8.69 | 308 | 33564 |
| São Sebastião | city | Santarem | Portugal | 39.64 | -8.61 | 830 | 17574 |
| São Silvestre | city | Santarem | Portugal | 39.60 | -8.48 | 830 | 10017 |
| São Simão | city | Santarem | Portugal | 39.64 | -8.44 | 830 | 13549 |
| São Simão Surdo | city | Santarem | Portugal | 39.48 | -8.09 | 318 | 5531 |