| Rank | Country | Elevation extremes |
63 | Bulgaria | lowest point: Black Sea 0 m highest point: Musala 2,925 m |
240 | Burkina Faso | lowest point: Mouhoun (Black Volta) River 200 m highest point: Tena Kourou 749 m |
64 | Burma | lowest point: Andaman Sea 0 m highest point: Hkakabo Razi 5,881 m |
252 | Burundi | lowest point: Lake Tanganyika 772 m highest point: Heha 2,670 m |
65 | Cambodia | lowest point: Gulf of Thailand 0 m highest point: Phnum Aoral 1,810 m |
66 | Cameroon | lowest point: Atlantic Ocean 0 m highest point: Fako 4,095 m (on Mt. Cameroon) |
67 | Canada | lowest point: Atlantic Ocean 0 m highest point: Mount Logan 5,959 m |
68 | Cape Verde | lowest point: Atlantic Ocean 0 m highest point: Mt. Fogo 2,829 m (a volcano on Fogo Island) |
69 | Cayman Islands | lowest point: Caribbean Sea 0 m highest point: The Bluff (Cayman Brac) 43 m |
246 | Central African Republic | lowest point: Oubangui River 335 m highest point: Mont Ngaoui 1,420 m |
237 | Chad | lowest point: Djourab Depression 160 m highest point: Emi Koussi 3,415 m |
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: Le 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 |