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

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

The driving distance from Helena (HLN) to Sheridan (SHR) is 373 miles / 601 kilometers, and travel time by car is about 6 hours 37 minutes.

Distance from Helena to Sheridan

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

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

What is the time difference between Helena and Sheridan?

There is no time difference between Helena and Sheridan.

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

On average, flying from Helena to Sheridan 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 Helena to Sheridan

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

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