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How far is Portland, ME, from Green Bay, WI?

The distance between Green Bay (Green Bay–Austin Straubel International Airport) and Portland (Portland International Jetport) is 887 miles / 1428 kilometers / 771 nautical miles.

The driving distance from Green Bay (GRB) to Portland (PWM) is 1179 miles / 1898 kilometers, and travel time by car is about 23 hours 36 minutes.

Green Bay–Austin Straubel International Airport – Portland International Jetport

Distance arrow
887
Miles
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1428
Kilometers
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771
Nautical miles

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Distance from Green Bay to Portland

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

Vincenty's formula (applied above)
  • 887.270 miles
  • 1427.922 kilometers
  • 771.016 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
  • 884.855 miles
  • 1424.037 kilometers
  • 768.918 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 Portland?

The estimated flight time from Green Bay–Austin Straubel International Airport to Portland International Jetport is 2 hours and 10 minutes.

Flight carbon footprint between Green Bay–Austin Straubel International Airport (GRB) and Portland International Jetport (PWM)

On average, flying from Green Bay to Portland generates about 143 kg of CO2 per passenger, and 143 kilograms equals 314 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 Portland

See the map of the shortest flight path between Green Bay–Austin Straubel International Airport (GRB) and Portland International Jetport (PWM).

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 Portland International Jetport
City: Portland, ME
Country: United States Flag of United States
IATA Code: PWM
ICAO Code: KPWM
Coordinates: 43°38′46″N, 70°18′33″W