Distance between Riga, Latvia and Portland, Maine, USA

6315 km = 3924 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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Riga, Latvia

Country: Latvia
Riga’s coordinates: 56°56′45″ N, 24°06′21″ E
Population: 742,572
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Wikipedia article: Riga

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Portland, USA

Country: USA
State: Maine
Portland’s coordinates: 43°39′41″ N, 70°15′19″ W
Population: 66,194
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Wikipedia article: Portland

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Find out the distance between Portland and the North Pole, the South Pole, the Equator, the Tropic of Cancer, the Tropic of Capricorn, the Arctic Circle, the Antarctic Circle