Distance between Ottawa, Canada and Dongguan, China
12360 km = 7680 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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Dongguan, China
Country: ChinaDongguan’s coordinates: 23°01′04″ N, 113°44′55″ E
Population: 8,000,000
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Wikipedia article: Dongguan
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