How far is St Petersburg from Chicago?
There are several ways to calculate distances between Chicago and St Petersburg. Here are two common methods:Vincenty's formula (applied above)
- 1013.479 miles
- 1631.037 kilometers
- 880.689 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
- 1015.412 miles
- 1634.148 kilometers
- 882.369 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).
Estimated flight time from O'Hare International Airport (ORD) to St. Pete–Clearwater International Airport (PIE) is 2 hours 25 minutes.
Time difference and current local times
The time difference between Chicago and St Petersburg is 1 hour. St Petersburg is 1 hour ahead of Chicago.
St Petersburg, FL
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 152 kg (334 pounds).
Chicago to St Petersburg flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → St Petersburg (PIE).