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How far is Helena, MT, from Florence?

The distance between Florence (Florence Airport) and Helena (Helena Regional Airport) is 5307 miles / 8541 kilometers / 4612 nautical miles.

Florence Airport – Helena Regional Airport

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5307
Miles
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8541
Kilometers
Distance arrow
4612
Nautical miles

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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)
  • 5307.391 miles
  • 8541.417 kilometers
  • 4611.996 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
  • 5292.898 miles
  • 8518.093 kilometers
  • 4599.402 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 Airport to Helena Regional Airport is 10 hours and 32 minutes.

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

On average, flying from Florence to Helena generates about 624 kg of CO2 per passenger, and 624 kilograms equals 1 376 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Florence to Helena

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

Airport information

Origin Florence Airport
City: Florence
Country: Italy Flag of Italy
IATA Code: FLR
ICAO Code: LIRQ
Coordinates: 43°48′36″N, 11°12′18″E
Destination 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