Distance between Ottawa, Canada and Castelsardo, Italy

6545 km = 4067 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: Canada
Ottawa’s coordinates: 45°24′40″ N, 75°41′53″ W
Population: 812,129
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Wikipedia article: Ottawa

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Castelsardo, Italy

Country: Italy
Castelsardo’s coordinates: 40°54′45″ N, 8°42′52″ E
Population: 3,747
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Wikipedia article: Castelsardo

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