Air Miles Calculator

Distance between Chicago, IL (ORD) and St Augustine, FL (UST)

Distance from Chicago to St Augustine (O'Hare International Airport – Northeast Florida Regional Airport) is 906 miles / 1458 kilometers / 787 nautical miles.

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).

Flight duration

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.

Time Difference

Chicago
St Augustine

Chicago, IL

 CST

St Augustine, FL

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 144 kg (317 pounds).

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 Northeast Florida Regional Airport
City: St Augustine, FL
Country: United States Flag of United States
IATA Code: UST
ICAO Code: KSGJ
Coordinates: 29°57′33″N, 81°20′23″W

Map

Chicago to St Augustine flight map.

Frequent Flyer Miles Calculator

Chicago (ORD) → St Augustine (UST).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
906
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
906

Round trip?