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How far is Westerly, RI, from Butte, MT?

The distance between Butte (Bert Mooney Airport) and Westerly (Westerly State Airport) is 2042 miles / 3286 kilometers / 1774 nautical miles.

The driving distance from Butte (BTM) to Westerly (WST) is 2375 miles / 3822 kilometers, and travel time by car is about 43 hours 15 minutes.

Bert Mooney Airport – Westerly State Airport

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2042
Miles
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3286
Kilometers
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1774
Nautical miles

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Distance from Butte to Westerly

There are several ways to calculate the distance from Butte to Westerly. Here are two standard methods:

Vincenty's formula (applied above)
  • 2041.812 miles
  • 3285.977 kilometers
  • 1774.286 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 2036.454 miles
  • 3277.355 kilometers
  • 1769.630 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Butte to Westerly?

The estimated flight time from Bert Mooney Airport to Westerly State Airport is 4 hours and 21 minutes.

Flight carbon footprint between Bert Mooney Airport (BTM) and Westerly State Airport (WST)

On average, flying from Butte to Westerly generates about 222 kg of CO2 per passenger, and 222 kilograms equals 490 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Butte to Westerly

See the map of the shortest flight path between Bert Mooney Airport (BTM) and Westerly State Airport (WST).

Airport information

Origin Bert Mooney Airport
City: Butte, MT
Country: United States Flag of United States
IATA Code: BTM
ICAO Code: KBTM
Coordinates: 45°57′17″N, 112°29′49″W
Destination Westerly State Airport
City: Westerly, RI
Country: United States Flag of United States
IATA Code: WST
ICAO Code: KWST
Coordinates: 41°20′58″N, 71°48′12″W