Distance between Niamey, Niger and San Mateo, California, USA

11918 km = 7405 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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Niamey, Niger

Country: Niger
Niamey’s coordinates: 13°30′49″ N, 2°06′35″ E
Population: 774,235
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Wikipedia article: Niamey

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San Mateo, USA

Country: USA
State: California
San Mateo’s coordinates: 37°33′46″ N, 122°19′31″ W
Population: 97,207
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Wikipedia article: San Mateo

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