How far is Fort Smith, AR, from Watertown, SD?
The distance between Watertown (Watertown Regional Airport) and Fort Smith (Fort Smith Regional Airport) is 677 miles / 1089 kilometers / 588 nautical miles.
The driving distance from Watertown (ATY) to Fort Smith (FSM) is 759 miles / 1222 kilometers, and travel time by car is about 13 hours 36 minutes.
Watertown Regional Airport – Fort Smith Regional Airport
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Distance from Watertown to Fort Smith
There are several ways to calculate the distance from Watertown to Fort Smith. Here are two standard methods:
Vincenty's formula (applied above)- 676.968 miles
- 1089.475 kilometers
- 588.269 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- 677.804 miles
- 1090.820 kilometers
- 588.995 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 Fort Smith?
The estimated flight time from Watertown Regional Airport to Fort Smith Regional Airport is 1 hour and 46 minutes.
What is the time difference between Watertown and Fort Smith?
There is no time difference between Watertown and Fort Smith.
Flight carbon footprint between Watertown Regional Airport (ATY) and Fort Smith Regional Airport (FSM)
On average, flying from Watertown to Fort Smith generates about 122 kg of CO2 per passenger, and 122 kilograms equals 269 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 Fort Smith
See the map of the shortest flight path between Watertown Regional Airport (ATY) and Fort Smith Regional Airport (FSM).
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 | Fort Smith Regional Airport |
|---|---|
| City: | Fort Smith, AR |
| Country: | United States |
| IATA Code: | FSM |
| ICAO Code: | KFSM |
| Coordinates: | 35°20′11″N, 94°22′2″W |