The capital that is almost 1.5 miles above sea level is Sana'a, Yemen.
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La Paz
La Paz, Bolivia is the world's highest capital, at an altitude of 11,913 feet above sea level.
3,660 m above sea level. It is the capital with the highest altitude in the world.
The tallest mountain in the world is Mount Everest It is about 5.5 miles (8.9 kilometers) above sea level."
The highest landing strip and airport in the world is located at Bangda in eastern Tibet. At 15548 feet above sea level It is higher than the landing strip in the Tibetan capital Lhasa which is at 14315 feet above sea level.
La Rinconada in Peru is said to the the World's Highest Town according to National Geographic Magazine as of 2003
The lowest national capital could be Baku, the capital of Azerbaijan, on the shore of the Caspian Sea, 28 m (92 feet) below sea level.* The city of Jericho on the Dead Sea is the "capital" of the Jericho Governate, and has an elevation of 846 feet (258 meters) below sea level.
The vast majority of the world's volcanoes are above sea level.
Bolivia qualifies as such. Its capital, La Paz, is located 3,686 meters (12,087 feet) above sea level.