How far is Helena, MT, from Charleston, SC?
The distance between Charleston (Charleston International Airport) and Helena (Helena Regional Airport) is 1927 miles / 3102 kilometers / 1675 nautical miles.
The driving distance from Charleston (CHS) to Helena (HLN) is 2354 miles / 3789 kilometers, and travel time by car is about 42 hours 40 minutes.
Charleston International Airport – Helena Regional Airport
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Distance from Charleston to Helena
There are several ways to calculate the distance from Charleston to Helena. Here are two standard 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 planet.
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).
How long does it take to fly from Charleston to Helena?
The estimated flight time from Charleston International Airport to Helena Regional Airport is 4 hours and 8 minutes.
What is the time difference between Charleston and Helena?
The time difference between Charleston and Helena is 2 hours. Helena is 2 hours behind Charleston.
Flight carbon footprint between Charleston International Airport (CHS) and Helena Regional Airport (HLN)
On average, flying from Charleston to Helena generates about 211 kg of CO2 per passenger, and 211 kilograms equals 465 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Charleston to Helena
See the map of the shortest flight path between Charleston International Airport (CHS) and Helena Regional Airport (HLN).
Airport information
| Origin | Charleston International Airport |
|---|---|
| City: | Charleston, SC |
| Country: | United States  |
| IATA Code: | CHS |
| ICAO Code: | KCHS |
| Coordinates: | 32°53′54″N, 80°2′25″W |
| Destination | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |