How far is International Falls, MN, from Watertown, SD?
The distance between Watertown (Watertown Regional Airport) and International Falls (Falls International Airport) is 309 miles / 497 kilometers / 268 nautical miles.
The driving distance from Watertown (ATY) to International Falls (INL) is 407 miles / 655 kilometers, and travel time by car is about 7 hours 48 minutes.
Watertown Regional Airport – Falls International Airport
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Distance from Watertown to International Falls
There are several ways to calculate the distance from Watertown to International Falls. Here are two standard methods:
Vincenty's formula (applied above)- 308.754 miles
- 496.892 kilometers
- 268.300 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- 308.512 miles
- 496.503 kilometers
- 268.090 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 Watertown to International Falls?
The estimated flight time from Watertown Regional Airport to Falls International Airport is 1 hour and 5 minutes.
What is the time difference between Watertown and International Falls?
There is no time difference between Watertown and International Falls.
Flight carbon footprint between Watertown Regional Airport (ATY) and Falls International Airport (INL)
On average, flying from Watertown to International Falls generates about 70 kg of CO2 per passenger, and 70 kilograms equals 155 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Watertown to International Falls
See the map of the shortest flight path between Watertown Regional Airport (ATY) and Falls International Airport (INL).
Airport information
| Origin | Watertown Regional Airport |
|---|---|
| City: | Watertown, SD |
| Country: | United States  |
| IATA Code: | ATY |
| ICAO Code: | KATY |
| Coordinates: | 44°54′50″N, 97°9′16″W |
| Destination | Falls International Airport |
|---|---|
| City: | International Falls, MN |
| Country: | United States |
| IATA Code: | INL |
| ICAO Code: | KINL |
| Coordinates: | 48°33′58″N, 93°24′11″W |