How far is Helena, MT, from Florence, SC?
The distance between Florence (Florence Regional Airport) and Helena (Helena Regional Airport) is 1887 miles / 3037 kilometers / 1640 nautical miles.
The driving distance from Florence (FLO) to Helena (HLN) is 2332 miles / 3753 kilometers, and travel time by car is about 42 hours 21 minutes.
Florence Regional Airport – Helena Regional Airport
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Distance from Florence to Helena
There are several ways to calculate the distance from Florence to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1887.294 miles
- 3037.305 kilometers
- 1640.014 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- 1884.064 miles
- 3032.108 kilometers
- 1637.207 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 Florence to Helena?
The estimated flight time from Florence Regional Airport to Helena Regional Airport is 4 hours and 4 minutes.
What is the time difference between Florence and Helena?
The time difference between Florence and Helena is 2 hours. Helena is 2 hours behind Florence.
Flight carbon footprint between Florence Regional Airport (FLO) and Helena Regional Airport (HLN)
On average, flying from Florence to Helena generates about 207 kg of CO2 per passenger, and 207 kilograms equals 457 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Florence to Helena
See the map of the shortest flight path between Florence Regional Airport (FLO) and Helena Regional Airport (HLN).
Airport information
| Origin | Florence Regional Airport |
|---|---|
| City: | Florence, SC |
| Country: | United States  |
| IATA Code: | FLO |
| ICAO Code: | KFLO |
| Coordinates: | 34°11′7″N, 79°43′26″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 |