How far is Westerly, RI, from Pierre, SD?
The distance between Pierre (Pierre Regional Airport) and Westerly (Westerly State Airport) is 1454 miles / 2340 kilometers / 1263 nautical miles.
The driving distance from Pierre (PIR) to Westerly (WST) is 1718 miles / 2765 kilometers, and travel time by car is about 31 hours 42 minutes.
Pierre Regional Airport – Westerly State Airport
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Distance from Pierre to Westerly
There are several ways to calculate the distance from Pierre to Westerly. Here are two standard methods:
Vincenty's formula (applied above)- 1453.834 miles
- 2339.719 kilometers
- 1263.347 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- 1450.069 miles
- 2333.659 kilometers
- 1260.075 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 Pierre to Westerly?
The estimated flight time from Pierre Regional Airport to Westerly State Airport is 3 hours and 15 minutes.
What is the time difference between Pierre and Westerly?
The time difference between Pierre and Westerly is 1 hour. Westerly is 1 hour ahead of Pierre.
Flight carbon footprint between Pierre Regional Airport (PIR) and Westerly State Airport (WST)
On average, flying from Pierre to Westerly generates about 177 kg of CO2 per passenger, and 177 kilograms equals 389 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Pierre to Westerly
See the map of the shortest flight path between Pierre Regional Airport (PIR) and Westerly State Airport (WST).
Airport information
| Origin | Pierre Regional Airport |
|---|---|
| City: | Pierre, SD |
| Country: | United States  |
| IATA Code: | PIR |
| ICAO Code: | KPIR |
| Coordinates: | 44°22′57″N, 100°17′9″W |
| Destination | Westerly State Airport |
|---|---|
| City: | Westerly, RI |
| Country: | United States |
| IATA Code: | WST |
| ICAO Code: | KWST |
| Coordinates: | 41°20′58″N, 71°48′12″W |