Distance between Niamey, Niger and Blackrock, Ireland
4489 km = 2790 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: NigerNiamey’s coordinates: 13°30′49″ N, 2°06′35″ E
Population: 774,235
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Blackrock, Ireland
Country: IrelandBlackrock’s coordinates: 53°18′05″ N, 6°10′40″ W
Population: 8,821
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Wikipedia article: Blackrock
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