How far is Charleston, SC, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Charleston (Charleston International Airport) is 1927 miles / 3102 kilometers / 1675 nautical miles.
The driving distance from Helena (HLN) to Charleston (CHS) is 2358 miles / 3795 kilometers, and travel time by car is about 42 hours 44 minutes.
Helena Regional Airport – Charleston International Airport
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Distance from Helena to Charleston
There are several ways to calculate the distance from Helena to Charleston. 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 Helena to Charleston?
The estimated flight time from Helena Regional Airport to Charleston International Airport is 4 hours and 8 minutes.
What is the time difference between Helena and Charleston?
The time difference between Helena and Charleston is 2 hours. Charleston is 2 hours ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Charleston International Airport (CHS)
On average, flying from Helena to Charleston 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 Helena to Charleston
See the map of the shortest flight path between Helena Regional Airport (HLN) and Charleston International Airport (CHS).
Airport information
| Origin | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States  |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |
| Destination | Charleston International Airport |
|---|---|
| City: | Charleston, SC |
| Country: | United States |
| IATA Code: | CHS |
| ICAO Code: | KCHS |
| Coordinates: | 32°53′54″N, 80°2′25″W |