Air Miles Calculator

Distance between Charleston, SC (CHS) and Helena, MT (HLN)

Flight distance from Charleston to Helena (Charleston International Airport – Helena Regional Airport) is 1927 miles / 3102 kilometers / 1675 nautical miles. Estimated flight time is 4 hours 8 minutes.

Driving distance from Charleston (CHS) to Helena (HLN) is 2410 miles / 3878 kilometers and travel time by car is about 40 hours 26 minutes.

Map of flight path and driving directions from Charleston to Helena.

Shortest flight path between Charleston International Airport (CHS) and Helena Regional Airport (HLN).

How far is Helena from Charleston?

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

Vincenty's formula (applied above)
  • 1927.202 miles
  • 3101.532 kilometers
  • 1674.693 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
  • 1924.270 miles
  • 3096.813 kilometers
  • 1672.145 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 Charleston International Airport
City: Charleston, SC
Country: United States Flag of United States
IATA Code: CHS
ICAO Code: KCHS
Coordinates: 32°53′54″N, 80°2′25″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

The time difference between Charleston and Helena is 2 hours. Helena is 2 hours behind Charleston.

Time Difference

Charleston, SC

 EST

Helena, MT

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 211 kg (465 pounds).

Frequent Flyer Miles Calculator

Charleston (CHS) → Helena (HLN).

Distance:
1927
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1927

Round trip?