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How far is Quincy, IL, from Green Bay, WI?

The distance between Green Bay (Green Bay–Austin Straubel International Airport) and Quincy (Quincy Regional Airport) is 351 miles / 564 kilometers / 305 nautical miles.

The driving distance from Green Bay (GRB) to Quincy (UIN) is 450 miles / 725 kilometers, and travel time by car is about 8 hours 47 minutes.

Green Bay–Austin Straubel International Airport – Quincy Regional Airport

Distance arrow
351
Miles
Distance arrow
564
Kilometers
Distance arrow
305
Nautical miles

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Distance from Green Bay to Quincy

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

Vincenty's formula (applied above)
  • 350.680 miles
  • 564.365 kilometers
  • 304.733 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
  • 350.792 miles
  • 564.546 kilometers
  • 304.830 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 Quincy?

The estimated flight time from Green Bay–Austin Straubel International Airport to Quincy Regional Airport is 1 hour and 9 minutes.

What is the time difference between Green Bay and Quincy?

There is no time difference between Green Bay and Quincy.

Flight carbon footprint between Green Bay–Austin Straubel International Airport (GRB) and Quincy Regional Airport (UIN)

On average, flying from Green Bay to Quincy generates about 77 kg of CO2 per passenger, and 77 kilograms equals 169 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 Quincy

See the map of the shortest flight path between Green Bay–Austin Straubel International Airport (GRB) and Quincy Regional Airport (UIN).

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 Quincy Regional Airport
City: Quincy, IL
Country: United States Flag of United States
IATA Code: UIN
ICAO Code: KUIN
Coordinates: 39°56′33″N, 91°11′40″W