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

Flight distance from Chicago to St Augustine (Chicago O'Hare International Airport – Northeast Florida Regional Airport) is 906 miles / 1458 kilometers / 787 nautical miles. Estimated flight time is 2 hours 12 minutes.

Driving distance from Chicago (ORD) to St Augustine (UST) is 1110 miles / 1787 kilometers and travel time by car is about 20 hours 38 minutes.

Chicago – St Augustine

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906
Miles
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1458
Kilometers
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787
Nautical miles

How far is St Augustine from Chicago?

There are several ways to calculate distances between Los Angeles and Chicago. 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 Chicago to St Augustine 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.

Chicago time to St Augustine time converter

Time in Chicago: 00:00 ⇆ Time in St Augustine: 00:00

Current local times

Chicago, IL

 CDT

St Augustine, FL

 EDT

Carbon dioxide emissions

On average flying from Chicago to St Augustine generates about 144 kg of CO2 per passenger, 144 kilograms is equal to 317 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Chicago to St Augustine

Shortest flight path between Chicago O'Hare International Airport (ORD) and Northeast Florida Regional Airport (UST).

Airport information

Origin Chicago 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
Destination 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