Air Miles Calculator

Distance between Rock Springs, WY (RKS) and Helena, MT (HLN)

Flight distance from Rock Springs to Helena (Southwest Wyoming Regional Airport – Helena Regional Airport) is 375 miles / 604 kilometers / 326 nautical miles. Estimated flight time is 1 hour 12 minutes.

Driving distance from Rock Springs (RKS) to Helena (HLN) is 462 miles / 743 kilometers and travel time by car is about 9 hours 24 minutes.

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

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Helena Regional Airport (HLN).

How far is Helena from Rock Springs?

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

Vincenty's formula (applied above)
  • 375.232 miles
  • 603.878 kilometers
  • 326.068 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
  • 375.312 miles
  • 604.005 kilometers
  • 326.137 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 Helena Regional Airport
City: Helena, MT
Country: United States Flag of United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″W

Time difference and current local times

There is no time difference between Rock Springs and Helena.

Time Difference

Rock Springs, WY

 MDT

Helena, MT

 MDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 80 kg (177 pounds).

Frequent Flyer Miles Calculator

Rock Springs (RKS) → Helena (HLN).

Distance:
375
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
375

Round trip?