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Most of the time, the International Space Station (ISS) is orbiting the Earth at an altitude of approximately 220 miles (354 km), which places it in low Earth orbit (LEO). This distance can change, however, and has varied from 205 miles (330 km) to a planned maximum of 248 miles (400 km).
It varies from about 400km to 13,000 km. 400km when the ISS is exactly over those places. 13,000 when the ISS is on exactly the opposite side of the earth to those places. http://iss.astroviewer.net/. Here is a list of the 25 countries that contribute in some way to the ISS. http://en.m.wikipedia.org/wiki/I...