Air Miles Calculator logo

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

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

The driving distance from Westerly (WST) to Rapid City (RAP) is 1841 miles / 2963 kilometers, and travel time by car is about 33 hours 34 minutes.

Westerly State Airport – Rapid City Regional Airport

Distance arrow
1592
Miles
Distance arrow
2563
Kilometers
Distance arrow
1384
Nautical miles

Search flights

Distance from Westerly to Rapid City

There are several ways to calculate the distance from Westerly to Rapid City. 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 Westerly to Rapid City?

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

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

On average, flying from Westerly to Rapid City 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 Westerly to Rapid City

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

Airport information

Origin 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
Destination 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