Distance between Washington D.C., Washington, D.C., USA and Siemianowice Śląskie, Poland

7178 km = 4460 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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Washington D.C., USA

Country: USA
State: Washington, D.C.
Washington D.C.’s coordinates: 38°53′42″ N, 77°02′10″ W
Population: 601,723
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Wikipedia article: Washington D.C.

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Siemianowice Śląskie, Poland

Country: Poland
Siemianowice Śląskie’s coordinates: 50°19′38″ N, 19°01′44″ E
Population: 73,121
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