Air Miles Calculator

Distance between Rock Springs, WY (RKS) and Idaho Falls, ID (IDA)

Flight distance from Rock Springs to Idaho Falls (Southwest Wyoming Regional Airport – Idaho Falls Regional Airport) is 203 miles / 326 kilometers / 176 nautical miles. Estimated flight time is 53 minutes.

Driving distance from Rock Springs (RKS) to Idaho Falls (IDA) is 269 miles / 433 kilometers and travel time by car is about 5 hours 14 minutes.

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

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Idaho Falls Regional Airport (IDA).

How far is Idaho Falls from Rock Springs?

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

Vincenty's formula (applied above)
  • 202.713 miles
  • 326.234 kilometers
  • 176.152 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
  • 202.492 miles
  • 325.880 kilometers
  • 175.961 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 Idaho Falls Regional Airport
City: Idaho Falls, ID
Country: United States Flag of United States
IATA Code: IDA
ICAO Code: KIDA
Coordinates: 43°30′52″N, 112°4′15″W

Time difference and current local times

There is no time difference between Rock Springs and Idaho Falls.

Time Difference

Rock Springs, WY

 MDT

Idaho Falls, ID

 MDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 55 kg (121 pounds).

Frequent Flyer Miles Calculator

Rock Springs (RKS) → Idaho Falls (IDA).

Distance:
203
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
203

Round trip?