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

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

The driving distance from Helena (HLN) to Miles City (MLS) is 388 miles / 624 kilometers, and travel time by car is about 6 hours 55 minutes.

Distance from Helena to Miles City

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

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

What is the time difference between Helena and Miles City?

There is no time difference between Helena and Miles City.

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

On average, flying from Helena to Miles City 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 Helena to Miles City

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

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	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