Distance between Sydney, Australia and Udon Thani, Thailand
7677 km = 4770 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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Sydney, Australia
Country: AustraliaSydney’s coordinates: 33°52′04″ S, 151°12′26″ E
Population: 4,627,345
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Udon Thani, Thailand
Country: ThailandUdon Thani’s coordinates: 17°24′56″ N, 102°47′09″ E
Population: 247,231
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