Distance between Naples, Italy and Ontario, California, USA

10351 km = 6432 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.

Find out the time difference between Naples and Ontario

Naples, Italy

Country: Italy
Naples’ coordinates: 40°51′22″ N, 14°14′47″ E
Population: 959,470
Find out what time it is in Naples right now
Wikipedia article: Naples

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

Ontario, USA

Country: USA
State: California
Ontario’s coordinates: 34°03′48″ N, 117°39′03″ W
Population: 163,924
Find out what time it is in Ontario right now
Wikipedia article: Ontario

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