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

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

The driving distance from Decatur (DEC) to Marquette (MQT) is 530 miles / 853 kilometers, and travel time by car is about 10 hours 46 minutes.

Decatur Airport – Sawyer International 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 Decatur to Marquette

There are several ways to calculate the distance from Decatur to Marquette. 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 Decatur to Marquette?

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

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

On average, flying from Decatur to Marquette 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 Decatur to Marquette

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

Airport information

Origin 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
Destination 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