Distance between Ottawa, Canada and Istra, Moscow Oblast, Russia
7121 km = 4425 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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Ottawa, Canada
Country: CanadaOttawa’s coordinates: 45°24′40″ N, 75°41′53″ W
Population: 812,129
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Wikipedia article: Ottawa
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Istra, Russia
Country: RussiaIstra’s coordinates: 55°55′11″ N, 36°52′07″ E
Population: 33,390
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Wikipedia article: Istra
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