Air Miles Calculator

Distance between Rock Springs, WY (RKS) and Bismarck, ND (BIS)

Flight distance from Rock Springs to Bismarck (Southwest Wyoming Regional Airport – Bismarck Municipal Airport) is 546 miles / 879 kilometers / 474 nautical miles. Estimated flight time is 1 hour 32 minutes.

Driving distance from Rock Springs (RKS) to Bismarck (BIS) is 745 miles / 1199 kilometers and travel time by car is about 13 hours 48 minutes.

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

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Bismarck Municipal Airport (BIS).

How far is Bismarck from Rock Springs?

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

Vincenty's formula (applied above)
  • 545.967 miles
  • 878.650 kilometers
  • 474.433 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
  • 545.281 miles
  • 877.544 kilometers
  • 473.836 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 Bismarck Municipal Airport
City: Bismarck, ND
Country: United States Flag of United States
IATA Code: BIS
ICAO Code: KBIS
Coordinates: 46°46′21″N, 100°44′45″W

Time difference and current local times

The time difference between Rock Springs and Bismarck is 1 hour. Bismarck is 1 hour ahead of Rock Springs.

Time Difference

Rock Springs, WY

 MDT

Bismarck, ND

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 105 kg (232 pounds).

Frequent Flyer Miles Calculator

Rock Springs (RKS) → Bismarck (BIS).

Distance:
546
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
546

Round trip?