How far is Hailey, ID, from Helena, MT?

The distance between Helena (Helena Regional Airport) and Hailey (Friedman Memorial Airport) is 242 miles / 390 kilometers / 211 nautical miles.

The driving distance from Helena (HLN) to Hailey (SUN) is 383 miles / 616 kilometers, and travel time by car is about 7 hours 18 minutes.

Distance from Helena to Hailey

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

Vincenty's formula (applied above)

• 242.281 miles
• 389.914 kilometers
• 210.537 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

• 242.240 miles
• 389.847 kilometers
• 210.501 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 Hailey?

The estimated flight time from Helena Regional Airport to Friedman Memorial Airport is 57 minutes.

What is the time difference between Helena and Hailey?

There is no time difference between Helena and Hailey.

Flight carbon footprint between Helena Regional Airport (HLN) and Friedman Memorial Airport (SUN)

On average, flying from Helena to Hailey generates about 61 kg of CO2 per passenger, and 61 kilograms equals 134 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 Hailey

See the map of the shortest flight path between Helena Regional Airport (HLN) and Friedman Memorial Airport (SUN).

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	Friedman Memorial Airport
City:	Hailey, ID
Country:	United States
IATA Code:	SUN
ICAO Code:	KSUN
Coordinates:	43°30′15″N, 114°17′45″W