Distance between Montreal, Canada and Ontario, California, USA
3923 km = 2438 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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Montreal, Canada
Country: CanadaMontreal’s coordinates: 45°30′31″ N, 73°35′16″ W
Population: 1,600,000
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Wikipedia article: Montreal
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Ontario, USA
Country: USAState: California
Ontario’s coordinates: 34°03′48″ N, 117°39′03″ W
Population: 163,924
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Wikipedia article: Ontario
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