| Rank | Country | Elevation extremes |
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: Mont Nimba 1,752 m |
82 | Croatia | lowest point: Adriatic Sea 0 m highest point: Dinara 1,830 m |
83 | Cuba | lowest point: Caribbean Sea 0 m highest point: Pico Turquino 2,005 m |
84 | Cyprus | lowest point: Mediterranean Sea 0 m highest point: Mount Olympus 1,951 m |
234 | Czech Republic | lowest point: Elbe River 115 m highest point: Snezka 1,602 m |
32 | Denmark | lowest point: Lammefjord -7 m highest point: Yding Skovhoej 173 m |
| Dhekelia | void |
11 | Djibouti | lowest point: Lac Assal -155 m highest point: Moussa Ali 2,028 m |
85 | Dominica | lowest point: Caribbean Sea 0 m highest point: Morne Diablatins 1,447 m |
23 | Dominican Republic | lowest point: Lago Enriquillo -46 m highest point: Pico Duarte 3,175 m |
86 | Ecuador | lowest point: Pacific Ocean 0 m highest point: Chimborazo 6,267 m note: due to the fact that the earth is not a perfect sphere and has an equatorial bulge, the highest point on the planet furthest from its center is Mount Chimborazo not Mount Everest, which is merely the highest point above sea-level |
13 | Egypt | lowest point: Qattara Depression -133 m highest point: Mount Catherine 2,629 m |
87 | El Salvador | lowest point: Pacific Ocean 0 m highest point: Cerro El Pital 2,730 m |
88 | Equatorial Guinea | lowest point: Atlantic Ocean 0 m highest point: Pico Basile 3,008 m |
19 | Eritrea | lowest point: near Kulul within the Danakil depression -75 m highest point: Soira 3,018 m |