Air Miles Calculator

Distance between Denver, CO (DEN) and Helena, MT (HLN)

Flight distance from Denver to Helena (Denver International Airport – Helena Regional Airport) is 594 miles / 955 kilometers / 516 nautical miles. Estimated flight time is 1 hour 37 minutes.

Driving distance from Denver (DEN) to Helena (HLN) is 797 miles / 1283 kilometers and travel time by car is about 13 hours 8 minutes.

Map of flight path and driving directions from Denver to Helena.

Shortest flight path between Denver International Airport (DEN) and Helena Regional Airport (HLN).

How far is Helena from Denver?

There are several ways to calculate distances between Denver and Helena. Here are two common methods:

Vincenty's formula (applied above)
  • 593.539 miles
  • 955.208 kilometers
  • 515.771 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 593.248 miles
  • 954.741 kilometers
  • 515.519 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).

Airport information


A Denver International Airport
City: Denver, CO
Country: United States Flag of United States
IATA Code: DEN
ICAO Code: KDEN
Coordinates: 39°51′42″N, 104°40′22″W

B Helena Regional Airport
City: Helena, MT
Country: United States Flag of United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″W

Time difference and current local times

There is no time difference between Denver and Helena.

Time Difference

Denver, CO

 MST

Helena, MT

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 112 kg (247 pounds).

Frequent Flyer Miles Calculator

Denver (DEN) → Helena (HLN).

Distance:
594
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
594

Round trip?