How far is Great Falls, MT, from Apia?

The distance between Apia (Faleolo International Airport) and Great Falls (Great Falls International Airport) is 5631 miles / 9063 kilometers / 4893 nautical miles.

Distance from Apia to Great Falls

There are several ways to calculate the distance from Apia to Great Falls. Here are two standard methods:

Vincenty's formula (applied above)

• 5631.186 miles
• 9062.516 kilometers
• 4893.367 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

• 5640.009 miles
• 9076.714 kilometers
• 4901.034 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 Apia to Great Falls?

The estimated flight time from Faleolo International Airport to Great Falls International Airport is 11 hours and 9 minutes.

What is the time difference between Apia and Great Falls?

The time difference between Apia and Great Falls is 20 hours. Great Falls is 20 hours behind Apia.

Flight carbon footprint between Faleolo International Airport (APW) and Great Falls International Airport (GTF)

On average, flying from Apia to Great Falls generates about 667 kg of CO2 per passenger, and 667 kilograms equals 1 471 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Apia to Great Falls

See the map of the shortest flight path between Faleolo International Airport (APW) and Great Falls International Airport (GTF).

Airport information

Origin	Faleolo International Airport
City:	Apia
Country:	Samoa
IATA Code:	APW
ICAO Code:	NSFA
Coordinates:	13°49′47″S, 172°0′28″W

Destination	Great Falls International Airport
City:	Great Falls, MT
Country:	United States
IATA Code:	GTF
ICAO Code:	KGTF
Coordinates:	47°28′55″N, 111°22′15″W