How far is St Augustine from Chicago?
There are several ways to calculate distances between Chicago and St Augustine. Here are two common methods:Vincenty's formula (applied above)
- 905.980 miles
- 1458.033 kilometers
- 787.275 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
- 907.254 miles
- 1460.083 kilometers
- 788.382 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 Northeast Florida Regional Airport (UST) is 2 hours 12 minutes.
Time difference and current local times
The time difference between Chicago and St Augustine is 1 hour. St Augustine is 1 hour ahead of Chicago.
St Augustine, FL
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 144 kg (317 pounds).
Chicago to St Augustine flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → St Augustine (UST).