Distance between Ottawa, Canada and Round Rock, Texas, USA
2529 km = 1572 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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Round Rock, USA
Country: USAState: Texas
Round Rock’s coordinates: 30°30′29″ N, 97°40′44″ W
Population: 99,887
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Wikipedia article: Round Rock
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