Congo, Democratic Republic of the lowest point: Atlantic Ocean 0 m highest point: Pic Marguerite on Mont Ngaliema (Mount Stanley) 5,110 m

Congo, Republic of the
lowest point: Atlantic Ocean 0 m
highest point: Mount Berongou 903 m

Cook Islands
lowest point: Pacific Ocean 0 m
highest point: Te Manga 652 m

Coral Sea Islands
lowest point: Pacific Ocean 0 m
highest point: unnamed location on Cato Island 6 m

Costa Rica
lowest point: Pacific Ocean 0 m
highest point: Cerro Chirripo 3,810 m

Cote d'Ivoire
lowest point: Gulf of Guinea 0 m
highest point: Mont Nimba 1,752 m

Croatia
lowest point: Adriatic Sea 0 m
highest point: Dinara 1,830 m

Cuba
lowest point: Caribbean Sea 0 m
highest point: Pico Turquino 2,005 m

Cyprus
lowest point: Mediterranean Sea 0 m
highest point: Olympus 1,951 m

Czech Republic
lowest point: Elbe River 115 m
highest point: Snezka 1,602 m