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How far is Lewistown, MT, from Green Bay, WI?

The distance between Green Bay (Green Bay–Austin Straubel International Airport) and Lewistown (Lewistown Municipal Airport) is 1043 miles / 1679 kilometers / 906 nautical miles.

The driving distance from Green Bay (GRB) to Lewistown (LWT) is 1143 miles / 1839 kilometers, and travel time by car is about 20 hours 40 minutes.

Green Bay–Austin Straubel International Airport – Lewistown Municipal Airport

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1043
Miles
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1679
Kilometers
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906
Nautical miles

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Distance from Green Bay to Lewistown

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

Vincenty's formula (applied above)
  • 1043.048 miles
  • 1678.623 kilometers
  • 906.384 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
  • 1040.189 miles
  • 1674.023 kilometers
  • 903.900 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 Green Bay to Lewistown?

The estimated flight time from Green Bay–Austin Straubel International Airport to Lewistown Municipal Airport is 2 hours and 28 minutes.

Flight carbon footprint between Green Bay–Austin Straubel International Airport (GRB) and Lewistown Municipal Airport (LWT)

On average, flying from Green Bay to Lewistown generates about 154 kg of CO2 per passenger, and 154 kilograms equals 338 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Green Bay to Lewistown

See the map of the shortest flight path between Green Bay–Austin Straubel International Airport (GRB) and Lewistown Municipal Airport (LWT).

Airport information

Origin Green Bay–Austin Straubel International Airport
City: Green Bay, WI
Country: United States Flag of United States
IATA Code: GRB
ICAO Code: KGRB
Coordinates: 44°29′6″N, 88°7′46″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