Chile
lowest point: Pacific Ocean 0 m
highest point: Nevado Ojos del Salado 6,880 m

China
lowest point: Turpan Pendi -154 m
highest point: Mount Everest 8,850 m

Christmas Island
lowest point: Indian Ocean 0 m
highest point: Murray Hill 361 m

Clipperton Island
lowest point: Pacific Ocean 0 m
highest point: Rocher Clipperton 29 m

Cocos (Keeling) Islands
lowest point: Indian Ocean 0 m
highest point: unnamed location 5 m

Colombia
lowest point: Pacific Ocean 0 m
highest point: Pico Cristobal Colon 5,775 m
note: nearby Pico Simon Bolivar also has the same elevation

Comoros
lowest point: Indian Ocean 0 m
highest point: Le Karthala 2,360 m

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