How far is Helena, MT, from Alghero?

The distance between Alghero (Alghero–Fertilia Airport) and Helena (Helena Regional Airport) is 5394 miles / 8680 kilometers / 4687 nautical miles.

Distance from Alghero to Helena

There are several ways to calculate the distance from Alghero to Helena. Here are two standard methods:

Vincenty's formula (applied above)

• 5393.502 miles
• 8680.000 kilometers
• 4686.825 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

• 5379.380 miles
• 8657.273 kilometers
• 4674.554 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 Alghero to Helena?

The estimated flight time from Alghero–Fertilia Airport to Helena Regional Airport is 10 hours and 42 minutes.

What is the time difference between Alghero and Helena?

The time difference between Alghero and Helena is 8 hours. Helena is 8 hours behind Alghero.

Flight carbon footprint between Alghero–Fertilia Airport (AHO) and Helena Regional Airport (HLN)

On average, flying from Alghero to Helena generates about 635 kg of CO2 per passenger, and 635 kilograms equals 1 401 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Alghero to Helena

See the map of the shortest flight path between Alghero–Fertilia Airport (AHO) and Helena Regional Airport (HLN).

Airport information

Origin	Alghero–Fertilia Airport
City:	Alghero
Country:	Italy
IATA Code:	AHO
ICAO Code:	LIEA
Coordinates:	40°37′55″N, 8°17′26″E

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