Air Miles Calculator

Distance between Rock Springs, WY (RKS) and Williston, ND (XWA)

Flight distance from Rock Springs to Williston (Southwest Wyoming Regional Airport – Williston Basin International Airport) is 529 miles / 851 kilometers / 459 nautical miles. Estimated flight time is 1 hour 30 minutes.

Driving distance from Rock Springs (RKS) to Williston (XWA) is 742 miles / 1194 kilometers and travel time by car is about 13 hours 57 minutes.

Map of flight path and driving directions from Rock Springs to Williston.

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Williston Basin International Airport (XWA).

How far is Williston from Rock Springs?

There are several ways to calculate distances between Rock Springs and Williston. Here are two common methods:

Vincenty's formula (applied above)
  • 528.631 miles
  • 850.748 kilometers
  • 459.367 nautical miles

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

Haversine formula
  • 528.508 miles
  • 850.551 kilometers
  • 459.261 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).

Airport information


A Southwest Wyoming Regional Airport
City: Rock Springs, WY
Country: United States Flag of United States
IATA Code: RKS
ICAO Code: KRKS
Coordinates: 41°35′39″N, 109°3′54″W

B Williston Basin International Airport
City: Williston, ND
Country: United States Flag of United States
IATA Code: XWA
ICAO Code: KXWA
Coordinates: 48°15′30″N, 103°44′55″W

Time difference and current local times

There is no time difference between Rock Springs and Williston.

Time Difference

Rock Springs, WY

 MDT

Williston, ND

 MDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 103 kg (227 pounds).

Frequent Flyer Miles Calculator

Rock Springs (RKS) → Williston (XWA).

Distance:
529
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
529

Round trip?