Distance between Rome, Italy and Boulder, Colorado, USA

8971 km = 5574 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 Rome and Boulder

Rome, Italy

Country: Italy
Rome’s coordinates: 41°53′30″ N, 12°30′40″ E
Population: 2,318,895
Find out what time it is in Rome right now
Wikipedia article: Rome

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

Boulder, USA

Country: USA
State: Colorado
Boulder’s coordinates: 40°00′53″ N, 105°16′13″ W
Population: 97,385
Find out what time it is in Boulder right now
Wikipedia article: Boulder

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