Air Miles Calculator

Distance between Chicago, IL (ORD) and Petersburg, AK (PSG)

Distance from Chicago to Petersburg (Petersburg James A. Johnson Airport – O'Hare International Airport) is 2222 miles / 3576 kilometers / 1931 nautical miles.

Calculations with different 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 earth.

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).

Flight duration

Estimated flight time from O'Hare International Airport (ORD) to Petersburg James A. Johnson Airport (PSG) is 4 hours 42 minutes.

Time difference and current local times

The time difference between Chicago and Petersburg is 3 hours. Petersburg is 3 hours behind Chicago.

Time Difference

Chicago
Petersburg

Chicago, IL

 CDT

Petersburg, AK

 AKDT

Airport information


A 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

B 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

Map

Chicago to Petersburg flight map.

Frequent Flyer Miles Calculator

Chicago (ORD) → Petersburg (PSG).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
2222
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2222

Round trip?