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

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

The driving distance from Lewistown (LWT) to Watertown (ATY) is 775 miles / 1247 kilometers, and travel time by car is about 13 hours 34 minutes.

Lewistown Municipal Airport – Watertown Regional 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 Lewistown to Watertown

There are several ways to calculate the distance from Lewistown to Watertown. 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 Lewistown to Watertown?

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

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

On average, flying from Lewistown to Watertown 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 Lewistown to Watertown

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

Airport information

Origin 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
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