How far is Helena, MT, from Miles City, MT?

The distance between Miles City (Miles City Airport) and Helena (Helena Regional Airport) is 291 miles / 468 kilometers / 253 nautical miles.

The driving distance from Miles City (MLS) to Helena (HLN) is 387 miles / 623 kilometers, and travel time by car is about 6 hours 50 minutes.

Distance from Miles City to Helena

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

Vincenty's formula (applied above)

• 290.912 miles
• 468.177 kilometers
• 252.795 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

• 290.076 miles
• 466.832 kilometers
• 252.069 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 Miles City to Helena?

The estimated flight time from Miles City Airport to Helena Regional Airport is 1 hour and 3 minutes.

What is the time difference between Miles City and Helena?

There is no time difference between Miles City and Helena.

Flight carbon footprint between Miles City Airport (MLS) and Helena Regional Airport (HLN)

On average, flying from Miles City to Helena generates about 68 kg of CO2 per passenger, and 68 kilograms equals 150 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Miles City to Helena

See the map of the shortest flight path between Miles City Airport (MLS) and Helena Regional Airport (HLN).

Airport information

Origin	Miles City Airport
City:	Miles City, MT
Country:	United States
IATA Code:	MLS
ICAO Code:	KMLS
Coordinates:	46°25′40″N, 105°53′9″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