# 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
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
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.

MDT

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?