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How far is Lewistown, MT, from Watertown, SD?

The distance between Watertown (Watertown Regional Airport) and Lewistown (Lewistown Municipal Airport) is 610 miles / 982 kilometers / 530 nautical miles.

The driving distance from Watertown (ATY) to Lewistown (LWT) is 775 miles / 1248 kilometers, and travel time by car is about 13 hours 32 minutes.

Watertown Regional Airport – Lewistown Municipal Airport

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610
Miles
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982
Kilometers
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530
Nautical miles

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Distance from Watertown to Lewistown

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

Vincenty's formula (applied above)
  • 610.184 miles
  • 981.996 kilometers
  • 530.235 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
  • 608.562 miles
  • 979.386 kilometers
  • 528.826 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 Lewistown?

The estimated flight time from Watertown Regional Airport to Lewistown Municipal Airport is 1 hour and 39 minutes.

Flight carbon footprint between Watertown Regional Airport (ATY) and Lewistown Municipal Airport (LWT)

On average, flying from Watertown to Lewistown generates about 114 kg of CO2 per passenger, and 114 kilograms equals 251 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 Lewistown

See the map of the shortest flight path between Watertown Regional Airport (ATY) and Lewistown Municipal Airport (LWT).

Airport information

Origin 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
Destination Lewistown Municipal Airport
City: Lewistown, MT
Country: United States Flag of United States
IATA Code: LWT
ICAO Code: KLWT
Coordinates: 47°2′57″N, 109°28′1″W