Distance between Montreal, Canada and Boulder, Australia

17940 km = 11147 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: Canada
Montreal’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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Boulder, Australia

Country: Australia
Boulder’s coordinates: 30°46′55″ S, 121°29′28″ E
Population: 5,178
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Wikipedia article: Boulder

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Find out the distance between Boulder and the North Pole, the South Pole, the Equator, the Tropic of Cancer, the Tropic of Capricorn, the Arctic Circle, the Antarctic Circle