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

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

The driving distance from Hailey (SUN) to Helena (HLN) is 383 miles / 617 kilometers, and travel time by car is about 7 hours 18 minutes.

Distance from Hailey to Helena

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

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

What is the time difference between Hailey and Helena?

There is no time difference between Hailey and Helena.

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

On average, flying from Hailey to Helena 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 Hailey to Helena

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

Airport information

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