Distance between Naples, Italy and Merrimack, New Hampshire, USA

6780 km = 4213 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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Naples, Italy

Country: Italy
Naples’ coordinates: 40°51′22″ N, 14°14′47″ E
Population: 959,470
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Wikipedia article: Naples

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Merrimack, USA

Country: USA
State: New Hampshire
Merrimack’s coordinates: 42°51′54″ N, 71°29′36″ W
Population: 26,726
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Wikipedia article: Merrimack

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