Distance between Ottawa, Canada and Rayong, Thailand
13563 km = 8428 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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Rayong, Thailand
Country: ThailandRayong’s coordinates: 12°40′51″ N, 101°15′28″ E
Population: 106,737
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Wikipedia article: Rayong
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