Senegal
lowest point: Atlantic Ocean 0 m
highest point: unnamed feature near Nepen Diakha 581 m

Serbia
lowest point: NA
highest point: Daravica 2,656 m

Seychelles
lowest point: Indian Ocean 0 m
highest point: Morne Seychellois 905 m

Sierra Leone
lowest point: Atlantic Ocean 0 m
highest point: Loma Mansa (Bintimani) 1,948 m

Singapore
lowest point: Singapore Strait 0 m
highest point: Bukit Timah 166 m

Slovakia
lowest point: Bodrok River 94 m
highest point: Gerlachovsky Stit 2,655 m

Slovenia
lowest point: Adriatic Sea 0 m
highest point: Triglav 2,864 m

Solomon Islands
lowest point: Pacific Ocean 0 m
highest point: Mount Makarakomburu 2,447 m

Somalia
lowest point: Indian Ocean 0 m
highest point: Shimbiris 2,416 m

South Africa
lowest point: Atlantic Ocean 0 m
highest point: Njesuthi 3,408 m