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How far is Watertown, SD, from Fort Smith?

The distance between Fort Smith (Fort Smith Airport) and Watertown (Watertown Regional Airport) is 1211 miles / 1949 kilometers / 1052 nautical miles.

The driving distance from Fort Smith (YSM) to Watertown (ATY) is 1648 miles / 2652 kilometers, and travel time by car is about 35 hours 58 minutes.

Fort Smith Airport – Watertown Regional Airport

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1211
Miles
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1949
Kilometers
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1052
Nautical miles

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Distance from Fort Smith to Watertown

There are several ways to calculate the distance from Fort Smith to Watertown. Here are two standard methods:

Vincenty's formula (applied above)
  • 1211.092 miles
  • 1949.064 kilometers
  • 1052.410 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
  • 1209.458 miles
  • 1946.434 kilometers
  • 1050.991 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 Fort Smith to Watertown?

The estimated flight time from Fort Smith Airport to Watertown Regional Airport is 2 hours and 47 minutes.

Flight carbon footprint between Fort Smith Airport (YSM) and Watertown Regional Airport (ATY)

On average, flying from Fort Smith to Watertown generates about 162 kg of CO2 per passenger, and 162 kilograms equals 357 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Fort Smith to Watertown

See the map of the shortest flight path between Fort Smith Airport (YSM) and Watertown Regional Airport (ATY).

Airport information

Origin Fort Smith Airport
City: Fort Smith
Country: Canada Flag of Canada
IATA Code: YSM
ICAO Code: CYSM
Coordinates: 60°1′13″N, 111°57′43″W
Destination Watertown Regional Airport
City: Watertown, SD
Country: United States Flag of United States
IATA Code: ATY
ICAO Code: KATY
Coordinates: 44°54′50″N, 97°9′16″W