Air Miles Calculator

Distance between New York, NY (LGA) and Great Falls, MT (GTF)

Flight distance from New York to Great Falls (New York LaGuardia Airport – Great Falls International Airport) is 1901 miles / 3060 kilometers / 1652 nautical miles. Estimated flight time is 4 hours 6 minutes.

Driving distance from New York (LGA) to Great Falls (GTF) is 2183 miles / 3514 kilometers and travel time by car is about 37 hours 39 minutes.

Map of flight path and driving directions from New York to Great Falls.

Shortest flight path between New York LaGuardia Airport (LGA) and Great Falls International Airport (GTF).

How far is Great Falls from New York?

There are several ways to calculate distances between New York and Great Falls. Here are two common methods:

Vincenty's formula (applied above)
  • 1901.420 miles
  • 3060.039 kilometers
  • 1652.289 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 1896.609 miles
  • 3052.296 kilometers
  • 1648.108 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).

Airport information


A New York LaGuardia Airport
City: New York, NY
Country: United States Flag of United States
IATA Code: LGA
ICAO Code: KLGA
Coordinates: 40°46′37″N, 73°52′21″W

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

Time difference and current local times

The time difference between New York and Great Falls is 2 hours. Great Falls is 2 hours behind New York.

Time Difference

New York, NY

 EDT

Great Falls, MT

 MDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 208 kg (460 pounds).

Frequent Flyer Miles Calculator

New York (LGA) → Great Falls (GTF).

Distance:
1901
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1901

Round trip?