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How far is Idaho Falls, ID, from Rock Springs, WY?

The distance between Rock Springs (Southwest Wyoming Regional Airport) and Idaho Falls (Idaho Falls Regional Airport) is 203 miles / 326 kilometers / 176 nautical miles.

The driving distance from Rock Springs (RKS) to Idaho Falls (IDA) is 269 miles / 433 kilometers, and travel time by car is about 5 hours 35 minutes.

Southwest Wyoming Regional Airport – Idaho Falls Regional Airport

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203
Miles
Distance arrow
326
Kilometers
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176
Nautical miles

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Distance from Rock Springs to Idaho Falls

There are several ways to calculate the distance from Rock Springs to Idaho Falls. Here are two standard 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 planet.

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).

How long does it take to fly from Rock Springs to Idaho Falls?

The estimated flight time from Southwest Wyoming Regional Airport to Idaho Falls Regional Airport is 53 minutes.

What is the time difference between Rock Springs and Idaho Falls?

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

Flight carbon footprint between Southwest Wyoming Regional Airport (RKS) and Idaho Falls Regional Airport (IDA)

On average, flying from Rock Springs to Idaho Falls generates about 55 kg of CO2 per passenger, and 55 kilograms equals 121 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Southwest Wyoming Regional Airport (RKS) and Idaho Falls Regional Airport (IDA).

Airport information

Origin 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
Destination 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