Distance between Ottawa, Canada and Dallas, Texas, USA
2291 km = 1423 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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Dallas, USA
Country: USAState: Texas
Dallas’ coordinates: 32°46′59″ N, 96°48′24″ W
Population: 1,197,816
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Wikipedia article: Dallas
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