Distance between Austin, Texas, USA and Portsmouth, New Hampshire, USA
2781 km = 1728 miles
We assume a spherical Earth as a close approximation of the true shape of the Earth (an oblate spheroid). The distance is calculated as great-circle or orthodromic distance between city centres on the surface of a sphere.
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Austin, USA
Country: USAState: Texas
Austin’s coordinates: 30°16′01″ N, 97°44′35″ W
Population: 790,390
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Portsmouth, USA
Country: USAState: New Hampshire
Portsmouth’s coordinates: 43°04′18″ N, 70°45′45″ W
Population: 20,779
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