How far is Helena, MT, from Sheridan, WY?

The distance between Sheridan (Sheridan County Airport) and Helena (Helena Regional Airport) is 273 miles / 440 kilometers / 238 nautical miles.

The driving distance from Sheridan (SHR) to Helena (HLN) is 373 miles / 600 kilometers, and travel time by car is about 6 hours 28 minutes.

Distance from Sheridan to Helena

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

Vincenty's formula (applied above)

• 273.328 miles
• 439.879 kilometers
• 237.516 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

• 272.748 miles
• 438.945 kilometers
• 237.011 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 Sheridan to Helena?

The estimated flight time from Sheridan County Airport to Helena Regional Airport is 1 hour and 1 minutes.

What is the time difference between Sheridan and Helena?

There is no time difference between Sheridan and Helena.

Flight carbon footprint between Sheridan County Airport (SHR) and Helena Regional Airport (HLN)

On average, flying from Sheridan to Helena generates about 65 kg of CO2 per passenger, and 65 kilograms equals 144 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Sheridan to Helena

See the map of the shortest flight path between Sheridan County Airport (SHR) and Helena Regional Airport (HLN).

Airport information

Origin	Sheridan County Airport
City:	Sheridan, WY
Country:	United States
IATA Code:	SHR
ICAO Code:	KSHR
Coordinates:	44°46′9″N, 106°58′48″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