Air Miles Calculator

Distance between Watertown, NY (ART) and Great Falls, MT (GTF)

Flight distance from Watertown to Great Falls (Watertown International Airport – Great Falls International Airport) is 1711 miles / 2754 kilometers / 1487 nautical miles. Estimated flight time is 3 hours 44 minutes.

Driving distance from Watertown (ART) to Great Falls (GTF) is 2016 miles / 3244 kilometers and travel time by car is about 36 hours 14 minutes.

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

Shortest flight path between Watertown International Airport (ART) and Great Falls International Airport (GTF).

How far is Great Falls from Watertown?

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

Vincenty's formula (applied above)
  • 1711.351 miles
  • 2754.153 kilometers
  • 1487.123 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
  • 1706.616 miles
  • 2746.531 kilometers
  • 1483.008 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 Watertown International Airport
City: Watertown, NY
Country: United States Flag of United States
IATA Code: ART
ICAO Code: KART
Coordinates: 43°59′30″N, 76°1′18″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 Watertown and Great Falls is 2 hours. Great Falls is 2 hours behind Watertown.

Time Difference

Watertown, NY

 EDT

Great Falls, MT

 MDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 193 kg (427 pounds).

Frequent Flyer Miles Calculator

Watertown (ART) → Great Falls (GTF).

Distance:
1711
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1711

Round trip?