Distance between Porto, Portugal and Riga, Latvia
2919 km = 1814 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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Porto, Portugal
Country: PortugalPorto’s coordinates: 41°08′58″ N, 8°36′39″ W
Population: 249,633
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Wikipedia article: Porto
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Riga, Latvia
Country: LatviaRiga’s coordinates: 56°56′45″ N, 24°06′21″ E
Population: 742,572
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Wikipedia article: Riga
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