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

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

The driving distance from Chicago (ORD) to Petersburg (PSG) is 2830 miles / 4555 kilometers, and travel time by car is about 65 hours 13 minutes.

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

Distance arrow
2222
Miles
Distance arrow
3576
Kilometers
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1931
Nautical miles

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Distance from Chicago to Petersburg

There are several ways to calculate the distance from Chicago to Petersburg. 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 Chicago to Petersburg?

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

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

On average, flying from Chicago to Petersburg 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 Chicago to Petersburg

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

Airport information

Origin 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
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