How far is Huron, SD, from Helena, MT?

The distance between Helena (Helena Regional Airport) and Huron (Huron Regional Airport) is 684 miles / 1102 kilometers / 595 nautical miles.

The driving distance from Helena (HLN) to Huron (HON) is 871 miles / 1402 kilometers, and travel time by car is about 16 hours 4 minutes.

Distance from Helena to Huron

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

Vincenty's formula (applied above)

• 684.463 miles
• 1101.537 kilometers
• 594.783 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

• 682.648 miles
• 1098.615 kilometers
• 593.204 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 Huron?

The estimated flight time from Helena Regional Airport to Huron Regional Airport is 1 hour and 47 minutes.

What is the time difference between Helena and Huron?

The time difference between Helena and Huron is 1 hour. Huron is 1 hour ahead of Helena.

Flight carbon footprint between Helena Regional Airport (HLN) and Huron Regional Airport (HON)

On average, flying from Helena to Huron generates about 123 kg of CO2 per passenger, and 123 kilograms equals 271 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 Huron

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

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	Huron Regional Airport
City:	Huron, SD
Country:	United States
IATA Code:	HON
ICAO Code:	KHON
Coordinates:	44°23′6″N, 98°13′42″W