Distance between Dammam, Saudi Arabia and Sīrjān, Iran
643 km = 400 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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Dammam, Saudi Arabia
Country: Saudi ArabiaDammam’s coordinates: 26°26′03″ N, 50°06′11″ E
Population: 768,602
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Wikipedia article: Dammam
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Sīrjān, Iran
Country: IranSīrjān’s coordinates: 29°27′04″ N, 55°40′51″ E
Population: 207,645
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Wikipedia article: Sīrjān
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