Air Miles Calculator

Distance between Rock Springs, WY (RKS) and Lexington, KY (LEX)

Flight distance from Rock Springs to Lexington (Southwest Wyoming Regional Airport – Lexington Blue Grass Airport) is 1320 miles / 2124 kilometers / 1147 nautical miles. Estimated flight time is 2 hours 59 minutes.

Driving distance from Rock Springs (RKS) to Lexington (LEX) is 1465 miles / 2358 kilometers and travel time by car is about 24 hours 26 minutes.

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

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Lexington Blue Grass Airport (LEX).

How far is Lexington from Rock Springs?

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

Vincenty's formula (applied above)
  • 1319.609 miles
  • 2123.704 kilometers
  • 1146.708 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
  • 1316.506 miles
  • 2118.711 kilometers
  • 1144.012 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 Lexington Blue Grass Airport
City: Lexington, KY
Country: United States Flag of United States
IATA Code: LEX
ICAO Code: KLEX
Coordinates: 38°2′11″N, 84°36′21″W

Time difference and current local times

The time difference between Rock Springs and Lexington is 2 hours. Lexington is 2 hours ahead of Rock Springs.

Time Difference

Rock Springs, WY

 MDT

Lexington, KY

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 168 kg (371 pounds).

Frequent Flyer Miles Calculator

Rock Springs (RKS) → Lexington (LEX).

Distance:
1320
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1320

Round trip?