How far is Helena, MT, from Macau?

The distance between Macau (Macau International Airport) and Helena (Helena Regional Airport) is 6912 miles / 11124 kilometers / 6007 nautical miles.

Distance from Macau to Helena

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

Vincenty's formula (applied above)

• 6912.428 miles
• 11124.474 kilometers
• 6006.735 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

• 6900.416 miles
• 11105.143 kilometers
• 5996.298 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 Macau to Helena?

The estimated flight time from Macau International Airport to Helena Regional Airport is 13 hours and 35 minutes.

What is the time difference between Macau and Helena?

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

Flight carbon footprint between Macau International Airport (MFM) and Helena Regional Airport (HLN)

On average, flying from Macau to Helena generates about 843 kg of CO2 per passenger, and 843 kilograms equals 1 857 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Macau to Helena

See the map of the shortest flight path between Macau International Airport (MFM) and Helena Regional Airport (HLN).

Airport information

Origin	Macau International Airport
City:	Macau
Country:	Macau
IATA Code:	MFM
ICAO Code:	VMMC
Coordinates:	22°8′58″N, 113°35′31″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