| Rank | Country | Elevation extremes |
175 | Saint Lucia | lowest point: Caribbean Sea 0 m highest point: Mount Gimie 950 m |
176 | Saint Martin | lowest point: Caribbean Ocean 0 m highest point: Pic du Paradis 424 m |
177 | Saint Pierre and Miquelon | lowest point: Atlantic Ocean 0 m highest point: Morne de la Grande Montagne 240 m |
178 | Saint Vincent and the Grenadines | lowest point: Caribbean Sea 0 m highest point: La Soufriere 1,234 m |
179 | Samoa | lowest point: Pacific Ocean 0 m highest point: Mauga Silisili (Savaii) 1,857 m |
225 | San Marino | lowest point: Torrente Ausa 55 m highest point: Monte Titano 755 m |
180 | Sao Tome and Principe | lowest point: Atlantic Ocean 0 m highest point: Pico de Sao Tome 2,024 m |
181 | Saudi Arabia | lowest point: Persian Gulf 0 m highest point: Jabal Sawda' 3,133 m |
182 | Senegal | lowest point: Atlantic Ocean 0 m highest point: unnamed feature near Nepen Diakha 581 m |
| Serbia | lowest point: NA highest point: Midzor 2,169 m |
183 | Seychelles | lowest point: Indian Ocean 0 m highest point: Morne Seychellois 905 m |
184 | Sierra Leone | lowest point: Atlantic Ocean 0 m highest point: Loma Mansa (Bintimani) 1,948 m |
185 | Singapore | lowest point: Singapore Strait 0 m highest point: Bukit Timah 166 m |
231 | Slovakia | lowest point: Bodrok River 94 m highest point: Gerlachovsky Stit 2,655 m |
186 | Slovenia | lowest point: Adriatic Sea 0 m highest point: Triglav 2,864 m |
187 | Solomon Islands | lowest point: Pacific Ocean 0 m highest point: Mount Makarakomburu 2,447 m |
188 | Somalia | lowest point: Indian Ocean 0 m highest point: Shimbiris 2,416 m |
189 | South Africa | lowest point: Atlantic Ocean 0 m highest point: Njesuthi 3,408 m |
190 | South Georgia and the South Sandwich Islands | lowest point: Atlantic Ocean 0 m highest point: Mount Paget (South Georgia) 2,934 m |
4 | Southern Ocean | lowest point: -7,235 m at the southern end of the South Sandwich Trench highest point: sea level 0 m |
191 | Spain | lowest point: Atlantic Ocean 0 m highest point: Pico de Teide (Tenerife) on Canary Islands 3,718 m |
192 | Spratly Islands | lowest point: South China Sea 0 m highest point: unnamed location on Southwest Cay 4 m |
193 | Sri Lanka | lowest point: Indian Ocean 0 m highest point: Pidurutalagala 2,524 m |
194 | Sudan | lowest point: Red Sea 0 m highest point: Kinyeti 3,187 m |
41 | Suriname | lowest point: unnamed location in the coastal plain -2 m highest point: Juliana Top 1,230 m |
195 | Svalbard | lowest point: Arctic Ocean 0 m highest point: Newtontoppen 1,717 m |
220 | Swaziland | lowest point: Great Usutu River 21 m highest point: Emlembe 1,862 m |
38 | Sweden | lowest point: reclaimed bay of Lake Hammarsjon, near Kristianstad -2.41 m highest point: Kebnekaise 2,111 m |
239 | Switzerland | lowest point: Lake Maggiore 195 m highest point: Dufourspitze 4,634 m |
10 | Syria | lowest point: unnamed location near Lake Tiberias -200 m highest point: Mount Hermon 2,814 m |
196 | Taiwan | lowest point: South China Sea 0 m highest point: Yu Shan 3,952 m |
244 | Tajikistan | lowest point: Syr Darya (Sirdaryo) 300 m highest point: Qullai Ismoili Somoni 7,495 m |
197 | Tanzania | lowest point: Indian Ocean 0 m highest point: Kilimanjaro 5,895 m |