| Rank | Country | Elevation extremes |
70 | Chile | lowest point: Pacific Ocean 0 m highest point: Nevado Ojos del Salado 6,880 m |
12 | China | lowest point: Turpan Pendi -154 m highest point: Mount Everest 8,850 m |
71 | Christmas Island | lowest point: Indian Ocean 0 m highest point: Murray Hill 361 m |
72 | Clipperton Island | lowest point: Pacific Ocean 0 m highest point: Rocher Clipperton 29 m |
73 | Cocos (Keeling) Islands | lowest point: Indian Ocean 0 m highest point: unnamed location 5 m |
74 | 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 |
75 | Comoros | lowest point: Indian Ocean 0 m highest point: Karthala 2,360 m |
76 | Congo, Democratic Republic of the | lowest point: Atlantic Ocean 0 m highest point: Pic Marguerite on Mont Ngaliema (Mount Stanley) 5,110 m |
77 | Congo, Republic of the | lowest point: Atlantic Ocean 0 m highest point: Mount Berongou 903 m |
78 | Cook Islands | lowest point: Pacific Ocean 0 m highest point: Te Manga 652 m |
79 | Coral Sea Islands | lowest point: Pacific Ocean 0 m highest point: unnamed location on Cato Island 6 m |
80 | Costa Rica | lowest point: Pacific Ocean 0 m highest point: Cerro Chirripo 3,810 m |
81 | Cote d'Ivoire | lowest point: Gulf of Guinea 0 m highest point: Monts Nimba 1,752 m |
82 | Croatia | lowest point: Adriatic Sea 0 m highest point: Dinara 1,831 m |
83 | Cuba | lowest point: Caribbean Sea 0 m highest point: Pico Turquino 2,005 m |
84 | Curacao | lowest point: Caribbean Sea 0 m highest point: Mt. Christoffel, 372m |