Air Miles Calculator

Distance between Rock Springs, WY (RKS) and Lewiston, ID (LWS)

Flight distance from Rock Springs to Lewiston (Southwest Wyoming Regional Airport – Lewiston–Nez Perce County Airport) is 515 miles / 829 kilometers / 448 nautical miles. Estimated flight time is 1 hour 28 minutes.

Driving distance from Rock Springs (RKS) to Lewiston (LWS) is 754 miles / 1214 kilometers and travel time by car is about 13 hours 34 minutes.

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

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Lewiston–Nez Perce County Airport (LWS).

How far is Lewiston from Rock Springs?

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

Vincenty's formula (applied above)
  • 515.290 miles
  • 829.279 kilometers
  • 447.775 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
  • 514.620 miles
  • 828.200 kilometers
  • 447.192 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 Lewiston–Nez Perce County Airport
City: Lewiston, ID
Country: United States Flag of United States
IATA Code: LWS
ICAO Code: KLWS
Coordinates: 46°22′28″N, 117°0′53″W

Time difference and current local times

The time difference between Rock Springs and Lewiston is 1 hour. Lewiston is 1 hour behind Rock Springs.

Time Difference

Rock Springs, WY

 MDT

Lewiston, ID

 PDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 101 kg (222 pounds).

Frequent Flyer Miles Calculator

Rock Springs (RKS) → Lewiston (LWS).

Distance:
515
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
515

Round trip?