Distance between Riyadh, Saudi Arabia and St. Catharines, Canada

10679 km = 6636 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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Riyadh, Saudi Arabia

Country: Saudi Arabia
Riyadh’s coordinates: 24°41′15″ N, 46°43′18″ E
Population: 4,205,961
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Wikipedia article: Riyadh

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St. Catharines, Canada

Country: Canada
St. Catharines’ coordinates: 43°10′16″ N, 79°14′33″ W
Population: 131,989
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Wikipedia article: St. Catharines

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