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

The distance between Petersburg (Petersburg James A. Johnson Airport) and Chicago (Chicago O'Hare International Airport) is 2222 miles / 3576 kilometers / 1931 nautical miles.

The driving distance from Petersburg (PSG) to Chicago (ORD) is 2823 miles / 4543 kilometers, and travel time by car is about 65 hours 2 minutes.

Petersburg James A. Johnson Airport – Chicago O'Hare International Airport

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2222
Miles
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3576
Kilometers
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1931
Nautical miles

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Distance from Petersburg to Chicago

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

Vincenty's formula (applied above)
  • 2221.946 miles
  • 3575.876 kilometers
  • 1930.819 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
  • 2216.573 miles
  • 3567.228 kilometers
  • 1926.149 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 Petersburg to Chicago?

The estimated flight time from Petersburg James A. Johnson Airport to Chicago O'Hare International Airport is 4 hours and 42 minutes.

Flight carbon footprint between Petersburg James A. Johnson Airport (PSG) and Chicago O'Hare International Airport (ORD)

On average, flying from Petersburg to Chicago generates about 243 kg of CO2 per passenger, and 243 kilograms equals 536 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Petersburg to Chicago

See the map of the shortest flight path between Petersburg James A. Johnson Airport (PSG) and Chicago O'Hare International Airport (ORD).

Airport information

Origin 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
Destination Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W