How far is Williston, ND, from Pierre, SD?
The distance between Pierre (Pierre Regional Airport) and Williston (Williston Basin International Airport) is 315 miles / 507 kilometers / 274 nautical miles.
The driving distance from Pierre (PIR) to Williston (XWA) is 442 miles / 711 kilometers, and travel time by car is about 9 hours 18 minutes.
Pierre Regional Airport – Williston Basin International Airport
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Distance from Pierre to Williston
There are several ways to calculate the distance from Pierre to Williston. Here are two standard methods:
Vincenty's formula (applied above)- 314.755 miles
- 506.550 kilometers
- 273.515 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- 314.583 miles
- 506.272 kilometers
- 273.365 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 Williston?
The estimated flight time from Pierre Regional Airport to Williston Basin International Airport is 1 hour and 5 minutes.
What is the time difference between Pierre and Williston?
The time difference between Pierre and Williston is 1 hour. Williston is 1 hour behind Pierre.
Flight carbon footprint between Pierre Regional Airport (PIR) and Williston Basin International Airport (XWA)
On average, flying from Pierre to Williston generates about 71 kg of CO2 per passenger, and 71 kilograms equals 157 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 Williston
See the map of the shortest flight path between Pierre Regional Airport (PIR) and Williston Basin International Airport (XWA).
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 | Williston Basin International Airport |
|---|---|
| City: | Williston, ND |
| Country: | United States |
| IATA Code: | XWA |
| ICAO Code: | KXWA |
| Coordinates: | 48°15′30″N, 103°44′55″W |