Distance between Ottawa, Canada and Grand Forks, North Dakota, USA
1648 km = 1024 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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Grand Forks, USA
Country: USAState: North Dakota
Grand Forks’ coordinates: 47°55′30″ N, 97°01′58″ W
Population: 52,838
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Wikipedia article: Grand Forks
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