Air Miles Calculator logo

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

The distance between Butte (Bert Mooney Airport) and Watertown (Watertown Regional Airport) is 748 miles / 1204 kilometers / 650 nautical miles.

The driving distance from Butte (BTM) to Watertown (ATY) is 974 miles / 1567 kilometers, and travel time by car is about 16 hours 38 minutes.

Bert Mooney Airport – Watertown Regional Airport

Distance arrow
748
Miles
Distance arrow
1204
Kilometers
Distance arrow
650
Nautical miles

Search flights

Distance from Butte to Watertown

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

Vincenty's formula (applied above)
  • 748.250 miles
  • 1204.191 kilometers
  • 650.211 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
  • 746.165 miles
  • 1200.837 kilometers
  • 648.400 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 Butte to Watertown?

The estimated flight time from Bert Mooney Airport to Watertown Regional Airport is 1 hour and 55 minutes.

Flight carbon footprint between Bert Mooney Airport (BTM) and Watertown Regional Airport (ATY)

On average, flying from Butte to Watertown generates about 130 kg of CO2 per passenger, and 130 kilograms equals 286 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Butte to Watertown

See the map of the shortest flight path between Bert Mooney Airport (BTM) and Watertown Regional Airport (ATY).

Airport information

Origin Bert Mooney Airport
City: Butte, MT
Country: United States Flag of United States
IATA Code: BTM
ICAO Code: KBTM
Coordinates: 45°57′17″N, 112°29′49″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