Distance between Naples, Italy and Portland, Maine, USA

6649 km = 4132 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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Portland, USA

Country: USA
State: Maine
Portland’s coordinates: 43°39′41″ N, 70°15′19″ W
Population: 66,194
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Wikipedia article: Portland

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Find out the distance between Portland and the North Pole, the South Pole, the Equator, the Tropic of Cancer, the Tropic of Capricorn, the Arctic Circle, the Antarctic Circle