How far is Helena, MT, from Yaoundé?

The distance between Yaoundé (Yaoundé Nsimalen International Airport) and Helena (Helena Regional Airport) is 7562 miles / 12171 kilometers / 6572 nautical miles.

Distance from Yaoundé to Helena

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

Vincenty's formula (applied above)

• 7562.476 miles
• 12170.625 kilometers
• 6571.612 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

• 7556.319 miles
• 12160.717 kilometers
• 6566.262 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 Yaoundé to Helena?

The estimated flight time from Yaoundé Nsimalen International Airport to Helena Regional Airport is 14 hours and 49 minutes.

What is the time difference between Yaoundé and Helena?

The time difference between Yaoundé and Helena is 8 hours. Helena is 8 hours behind Yaoundé.

Flight carbon footprint between Yaoundé Nsimalen International Airport (NSI) and Helena Regional Airport (HLN)

On average, flying from Yaoundé to Helena generates about 935 kg of CO2 per passenger, and 935 kilograms equals 2 061 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Yaoundé to Helena

See the map of the shortest flight path between Yaoundé Nsimalen International Airport (NSI) and Helena Regional Airport (HLN).

Airport information

Origin	Yaoundé Nsimalen International Airport
City:	Yaoundé
Country:	Cameroon
IATA Code:	NSI
ICAO Code:	FKYS
Coordinates:	3°43′21″N, 11°33′11″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