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How far is Decatur, IL, from Marquette, MI?

The distance between Marquette (Sawyer International Airport) and Decatur (Decatur Airport) is 456 miles / 734 kilometers / 396 nautical miles.

The driving distance from Marquette (MQT) to Decatur (DEC) is 528 miles / 850 kilometers, and travel time by car is about 10 hours 35 minutes.

Sawyer International Airport – Decatur Airport

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456
Miles
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734
Kilometers
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396
Nautical miles

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Distance from Marquette to Decatur

There are several ways to calculate the distance from Marquette to Decatur. Here are two standard methods:

Vincenty's formula (applied above)
  • 456.095 miles
  • 734.014 kilometers
  • 396.336 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
  • 456.464 miles
  • 734.608 kilometers
  • 396.657 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 Marquette to Decatur?

The estimated flight time from Sawyer International Airport to Decatur Airport is 1 hour and 21 minutes.

Flight carbon footprint between Sawyer International Airport (MQT) and Decatur Airport (DEC)

On average, flying from Marquette to Decatur generates about 92 kg of CO2 per passenger, and 92 kilograms equals 203 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Marquette to Decatur

See the map of the shortest flight path between Sawyer International Airport (MQT) and Decatur Airport (DEC).

Airport information

Origin Sawyer International Airport
City: Marquette, MI
Country: United States Flag of United States
IATA Code: MQT
ICAO Code: KSAW
Coordinates: 46°21′12″N, 87°23′43″W
Destination Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″W