How far is Watertown, SD, from International Falls, MN?
The distance between International Falls (Falls International Airport) and Watertown (Watertown Regional Airport) is 309 miles / 497 kilometers / 268 nautical miles.
The driving distance from International Falls (INL) to Watertown (ATY) is 407 miles / 655 kilometers, and travel time by car is about 7 hours 47 minutes.
Falls International Airport – Watertown Regional Airport
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Distance from International Falls to Watertown
There are several ways to calculate the distance from International Falls to Watertown. 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 International Falls to Watertown?
The estimated flight time from Falls International Airport to Watertown Regional Airport is 1 hour and 5 minutes.
What is the time difference between International Falls and Watertown?
There is no time difference between International Falls and Watertown.
Flight carbon footprint between Falls International Airport (INL) and Watertown Regional Airport (ATY)
On average, flying from International Falls to Watertown 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 International Falls to Watertown
See the map of the shortest flight path between Falls International Airport (INL) and Watertown Regional Airport (ATY).
Airport information
| Origin | 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 |
| Destination | Watertown Regional Airport |
|---|---|
| City: | Watertown, SD |
| Country: | United States |
| IATA Code: | ATY |
| ICAO Code: | KATY |
| Coordinates: | 44°54′50″N, 97°9′16″W |