Distance between Zamboanga City, Philippines and Siena, Italy

11130 km = 6916 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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Zamboanga City, Philippines

Country: Philippines
Zamboanga City’s coordinates: 6°54′37″ N, 122°04′26″ E
Population: 457,623
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Wikipedia article: Zamboanga City

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Siena, Italy

Country: Italy
Siena’s coordinates: 43°19′05″ N, 11°19′50″ E
Population: 42,867
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Wikipedia article: Siena

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