highest point: Kula Kangri 7,553 m

Bolivia
lowest point: Rio Paraguay 90 m
highest point: Nevado Sajama 6,542 m

Bosnia and Herzegovina
lowest point: Adriatic Sea 0 m
highest point: Maglic 2,386 m

Botswana
lowest point: junction of the Limpopo and Shashe Rivers 513
m
highest point: Tsodilo Hills 1,489 m

Bouvet Island
lowest point: South Atlantic Ocean 0 m
highest point: Olav Peak 935 m

Brazil
lowest point: Atlantic Ocean 0 m
highest point: Pico da Neblina 3,014 m

British Indian Ocean Territory
lowest point: Indian Ocean 0 m
highest point: unnamed location on Diego Garcia 15 m

British Virgin Islands
lowest point: Caribbean Sea 0 m
highest point: Mount Sage 521 m

Brunei
lowest point: South China Sea 0 m
highest point: Bukit Pagon 1,850 m

Bulgaria
lowest point: Black Sea 0 m
highest point: Musala 2,925 m

Burkina Faso
lowest point: Mouhoun (Black Volta) River 200 m
highest point: Tena Kourou 749 m

Burma
lowest point: Andaman Sea 0 m
highest point: Hkakabo Razi 5,881 m

Burundi
lowest point: Lake Tanganyika 772 m
highest point: Mount Heha 2,670 m

Cambodia
lowest point: Gulf of Thailand 0 m
highest point: Phnum Aoral 1,810 m

Cameroon
lowest point: Atlantic Ocean 0 m
highest point: Fako (on Mount Cameroon) 4,095 m

Canada
lowest point: Atlantic Ocean 0 m
highest point: Mount Logan 5,959 m

Cape Verde
lowest point: Atlantic Ocean 0 m
highest point: Mt. Fogo 2,829 m (a volcano on Fogo Island)

Cayman Islands
lowest point: Caribbean Sea 0 m
highest point: The Bluff 43 m

Central African Republic
lowest point: Oubangui River 335 m
highest point: Mont Ngaoui 1,420 m

Chad
lowest point: Djourab Depression 160 m
highest point: Emi Koussi 3,415 m

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