How far is Helena, MT, from Changchun?

The distance between Changchun (Changchun Longjia International Airport) and Helena (Helena Regional Airport) is 5272 miles / 8484 kilometers / 4581 nautical miles.

Distance from Changchun to Helena

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

Vincenty's formula (applied above)

• 5271.653 miles
• 8483.903 kilometers
• 4580.941 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

• 5257.215 miles
• 8460.667 kilometers
• 4568.395 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 Changchun to Helena?

The estimated flight time from Changchun Longjia International Airport to Helena Regional Airport is 10 hours and 28 minutes.

What is the time difference between Changchun and Helena?

The time difference between Changchun and Helena is 15 hours. Helena is 15 hours behind Changchun.

Flight carbon footprint between Changchun Longjia International Airport (CGQ) and Helena Regional Airport (HLN)

On average, flying from Changchun to Helena generates about 619 kg of CO2 per passenger, and 619 kilograms equals 1 365 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Changchun to Helena

See the map of the shortest flight path between Changchun Longjia International Airport (CGQ) and Helena Regional Airport (HLN).

Airport information

Origin	Changchun Longjia International Airport
City:	Changchun
Country:	China
IATA Code:	CGQ
ICAO Code:	ZYCC
Coordinates:	43°59′46″N, 125°41′5″E

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