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How far is Petersburg, AK, from Decatur, IL?

The distance between Decatur (Decatur Airport) and Petersburg (Petersburg James A. Johnson Airport) is 2289 miles / 3685 kilometers / 1990 nautical miles.

The driving distance from Decatur (DEC) to Petersburg (PSG) is 2947 miles / 4743 kilometers, and travel time by car is about 67 hours 27 minutes.

Decatur Airport – Petersburg James A. Johnson Airport

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2289
Miles
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3685
Kilometers
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1990
Nautical miles

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Distance from Decatur to Petersburg

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

Vincenty's formula (applied above)
  • 2289.480 miles
  • 3684.560 kilometers
  • 1989.503 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
  • 2284.492 miles
  • 3676.533 kilometers
  • 1985.169 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 Petersburg?

The estimated flight time from Decatur Airport to Petersburg James A. Johnson Airport is 4 hours and 50 minutes.

Flight carbon footprint between Decatur Airport (DEC) and Petersburg James A. Johnson Airport (PSG)

On average, flying from Decatur to Petersburg generates about 251 kg of CO2 per passenger, and 251 kilograms equals 553 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 Petersburg

See the map of the shortest flight path between Decatur Airport (DEC) and Petersburg James A. Johnson Airport (PSG).

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 Petersburg James A. Johnson Airport
City: Petersburg, AK
Country: United States Flag of United States
IATA Code: PSG
ICAO Code: PAPG
Coordinates: 56°48′6″N, 132°56′42″W