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Chicago–Petersburg | ORD–PSG
Calculations with different methods
- 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).
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.
Chicago to Petersburg flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Petersburg (PSG).