How far is Helena, MT, from Da Nang?

The distance between Da Nang (Da Nang International Airport) and Helena (Helena Regional Airport) is 7450 miles / 11990 kilometers / 6474 nautical miles.

Distance from Da Nang to Helena

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

Vincenty's formula (applied above)

• 7450.119 miles
• 11989.804 kilometers
• 6473.976 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

• 7439.545 miles
• 11972.787 kilometers
• 6464.788 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 Da Nang to Helena?

The estimated flight time from Da Nang International Airport to Helena Regional Airport is 14 hours and 36 minutes.

What is the time difference between Da Nang and Helena?

The time difference between Da Nang and Helena is 14 hours. Helena is 14 hours behind Da Nang.

Flight carbon footprint between Da Nang International Airport (DAD) and Helena Regional Airport (HLN)

On average, flying from Da Nang to Helena generates about 919 kg of CO2 per passenger, and 919 kilograms equals 2 026 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Da Nang to Helena

See the map of the shortest flight path between Da Nang International Airport (DAD) and Helena Regional Airport (HLN).

Airport information

Origin	Da Nang International Airport
City:	Da Nang
Country:	Vietnam
IATA Code:	DAD
ICAO Code:	VVDN
Coordinates:	16°2′38″N, 108°11′56″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