Air Miles Calculator logo

How far is Florence, SC, from Helena, MT?

The distance between Helena (Helena Regional Airport) and Florence (Florence Regional Airport) is 1887 miles / 3037 kilometers / 1640 nautical miles.

The driving distance from Helena (HLN) to Florence (FLO) is 2337 miles / 3761 kilometers, and travel time by car is about 42 hours 26 minutes.

Helena Regional Airport – Florence Regional Airport

Distance arrow
1887
Miles
Distance arrow
3037
Kilometers
Distance arrow
1640
Nautical miles

Search flights

Distance from Helena to Florence

There are several ways to calculate the distance from Helena to Florence. 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 Helena to Florence?

The estimated flight time from Helena Regional Airport to Florence Regional Airport is 4 hours and 4 minutes.

Flight carbon footprint between Helena Regional Airport (HLN) and Florence Regional Airport (FLO)

On average, flying from Helena to Florence 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 Helena to Florence

See the map of the shortest flight path between Helena Regional Airport (HLN) and Florence Regional Airport (FLO).

Airport information

Origin 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
Destination Florence Regional Airport
City: Florence, SC
Country: United States Flag of United States
IATA Code: FLO
ICAO Code: KFLO
Coordinates: 34°11′7″N, 79°43′26″W