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How far is Westerly, RI, from Rapid City, SD?

The distance between Rapid City (Rapid City Regional Airport) and Westerly (Westerly State Airport) is 1592 miles / 2563 kilometers / 1384 nautical miles.

The driving distance from Rapid City (RAP) to Westerly (WST) is 1835 miles / 2953 kilometers, and travel time by car is about 33 hours 20 minutes.

Rapid City Regional Airport – Westerly State Airport

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1592
Miles
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2563
Kilometers
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1384
Nautical miles

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Distance from Rapid City to Westerly

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

Vincenty's formula (applied above)
  • 1592.459 miles
  • 2562.815 kilometers
  • 1383.809 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
  • 1588.310 miles
  • 2556.137 kilometers
  • 1380.203 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 Rapid City to Westerly?

The estimated flight time from Rapid City Regional Airport to Westerly State Airport is 3 hours and 30 minutes.

Flight carbon footprint between Rapid City Regional Airport (RAP) and Westerly State Airport (WST)

On average, flying from Rapid City to Westerly generates about 185 kg of CO2 per passenger, and 185 kilograms equals 409 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Rapid City to Westerly

See the map of the shortest flight path between Rapid City Regional Airport (RAP) and Westerly State Airport (WST).

Airport information

Origin Rapid City Regional Airport
City: Rapid City, SD
Country: United States Flag of United States
IATA Code: RAP
ICAO Code: KRAP
Coordinates: 44°2′43″N, 103°3′25″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