| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Alto Salaito | city | Ngobe-Bugle | Panama | 8.40 | -81.90 | 994 | 2836 |
| Alto Saldaña | city | Ngobe-Bugle | Panama | 8.33 | -81.69 | 921 | 4178 |
| Alto San Andres | city | Junin | Peru | -11.35 | -74.68 | 5269 | 1786 |
| Alto San Andrés | city | Tolima | Colombia | 3.59 | -74.81 | 5954 | 1297 |
| Alto San Iidefonzo | city | La Libertad | Peru | -7.15 | -79.58 | 95 | 5283 |
| Alto San Ildefonso | city | La Libertad | Peru | -7.15 | -79.58 | 95 | 5283 |
| Alto San Isidro | city | Durango | Mexico | 25.94 | -104.95 | 6709 | 149 |
| Alto San Juan | city | Tolima | Colombia | 4.21 | -75.32 | 5029 | 2980 |
| Alto San Juan | city | Junin | Peru | -10.93 | -75.04 | 2509 | 2682 |
| Alto San Martin | city | San Martin | Peru | -6.18 | -77.08 | 3349 | 5824 |
| Alto San Pascual | city | Junin | Peru | -11.20 | -74.54 | 1955 | 2701 |
| Alto San Pedro | city | Cordoba | Argentina | -31.05 | -64.48 | 3625 | 23259 |
| Alto San Pedro | city | Oaxaca | Mexico | 16.04 | -96.47 | 6709 | 6388 |
| Alto San Pedro | city | Junin | Peru | -11.32 | -74.68 | 3674 | 2564 |
| Alto San Rafael | city | Antioquia | Colombia | 5.56 | -75.78 | 9228 | 10919 |
| Alto Sano | city | Tolima | Colombia | 3.96 | -75.26 | 2047 | 10621 |
| Alto Santa Cruz | city | Region Metropolitana | Chile | -33.57 | -70.83 | 1669 | 119646 |
| Alto Santa Helena | city | Minas Gerais | Brazil | -18.60 | -41.62 | 1669 | 5837 |
| Alto Santa Irene | city | Junin | Peru | -11.29 | -74.76 | 3349 | 1541 |
| Alto Santa Maria | city | Espirito Santo | Brazil | -19.90 | -40.75 | 1991 | 3259 |
| Alto Santa Maria | city | Espirito Santo | Brazil | -20.15 | -40.94 | 3412 | 4627 |
| Alto Santa Maria do Rio Doce | city | Espirito Santo | Brazil | -19.90 | -40.75 | 1991 | 3259 |
| Alto Santa Rosa | city | Pernambuco | Brazil | -8.22 | -34.97 | 6 | 181724 |
| Alto Santa Rosa | city | Junin | Peru | -11.15 | -74.68 | 2693 | 5070 |
| Alto Santa Terezinha | city | Minas Gerais | Brazil | -19.52 | -42.61 | 849 | 104555 |
| Alto Santo | city | Ceara | Brazil | -5.52 | -38.27 | 308 | 9982 |
| Alto Santo | city | Acre | Brazil | -9.95 | -67.86 | 830 | 83917 |
| Alto Santo | city | Holguin | Cuba | 20.72 | -76.22 | 259 | 3427 |
| Alto Santo Antonio | city | Pernambuco | Brazil | -8.03 | -34.99 | 45 | 448187 |
| Alto Santo Antônio | city | Pernambuco | Brazil | -8.75 | -36.18 | 2509 | 9249 |
| Alto Sao Francisco | city | Espirito Santo | Brazil | -18.85 | -41.03 | 1984 | 4380 |
| Alto Sao Joao | city | Minas Gerais | Brazil | -18.57 | -48.32 | 3349 | 596 |
| Alto Sao Rafael | city | Alagoas | Brazil | -9.63 | -35.71 | 3 | 217934 |
| Alto Sardo | city | Ngobe-Bugle | Panama | 8.40 | -81.60 | 1669 | 2615 |
| Alto Saureni | city | Junin | Peru | -11.28 | -74.29 | 1669 | 745 |
| Alto Seco | city | Santa Cruz | Bolivia | -18.87 | -64.08 | 5446 | 149 |
| Alto Seco | city | Cundinamarca | Colombia | 5.60 | -74.37 | 4189 | 3134 |
| Alto Senon | city | Antioquia | Colombia | 5.65 | -75.84 | 7549 | 23973 |
| Alto Sepacay | city | Alta Verapaz | Guatemala | 15.35 | -90.07 | 6085 | 14891 |
| Alto Sereno | city | Piaui | Brazil | -6.98 | -42.40 | 856 | 596 |
| Alto Shanquireni | city | Junin | Peru | -11.21 | -74.30 | 1669 | 738 |
| Alto Shikapa | city | Lunda Sul | Angola | -10.93 | 19.15 | 4284 | 298 |
| Alto Siguei | city | Cauca | Colombia | 2.87 | -77.19 | 1669 | 1305 |
| Alto Sigui | city | Cauca | Colombia | 2.87 | -77.19 | 1669 | 1305 |
| Alto Silencio | city | Cocle | Panama | 8.88 | -80.19 | 830 | 4182 |
| Alto Socorro | city | Guanacaste | Costa Rica | 9.96 | -85.40 | 2020 | 4540 |
| Alto Sol Nascente | city | Pernambuco | Brazil | -7.98 | -34.91 | 137 | 720567 |
| Alto Somabeni | city | Junin | Peru | -11.95 | -74.18 | 2509 | 596 |
| Alto Sondobeni | city | Junin | Peru | -11.07 | -74.60 | 2509 | 4136 |
| Alto Songo | city | Villa Clara | Cuba | 22.53 | -79.91 | 305 | 12874 |
| Alto Songo | city | Santiago de Cuba | Cuba | 20.17 | -75.71 | 830 | 47253 |
| Alto Soyatal | city | Jalisco | Mexico | 21.56 | -102.51 | 6217 | 2208 |
| Alto Springs | city | Texas | United States | 31.29 | -96.67 | 830 | |
| Alto Suarez | city | Santander | Colombia | 6.29 | -73.40 | 3707 | 6128 |
| Alto Sucuriú | city | Mato Grosso do Sul | Brazil | -19.13 | -52.90 | 2024 | 298 |
| Alto São Sebastião | city | Pernambuco | Brazil | -8.09 | -34.97 | 9 | 544796 |
| Alto Sêco | city | Bahia | Brazil | -13.08 | -39.52 | 948 | 6211 |