Distance between Ottawa, Canada and Gary, Indiana, USA
1031 km = 641 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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Gary, USA
Country: USAState: Indiana
Gary’s coordinates: 41°35′36″ N, 87°20′47″ W
Population: 80,294
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Wikipedia article: Gary
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Find out the distance between Gary and the North Pole, the South Pole, the Equator, the Tropic of Cancer, the Tropic of Capricorn, the Arctic Circle, the Antarctic Circle