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How far is St Augustine, FL, from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and St Augustine (Northeast Florida Regional Airport) is 906 miles / 1458 kilometers / 787 nautical miles.

The driving distance from Chicago (ORD) to St Augustine (UST) is 1110 miles / 1786 kilometers, and travel time by car is about 20 hours 43 minutes.

Chicago O'Hare International Airport – Northeast Florida Regional Airport

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906
Miles
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1458
Kilometers
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787
Nautical miles

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Distance from Chicago to St Augustine

There are several ways to calculate the distance from Chicago to St Augustine. Here are two standard 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 planet.

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).

How long does it take to fly from Chicago to St Augustine?

The estimated flight time from Chicago O'Hare International Airport to Northeast Florida Regional Airport is 2 hours and 12 minutes.

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Northeast Florida Regional Airport (UST)

On average, flying from Chicago to St Augustine generates about 144 kg of CO2 per passenger, and 144 kilograms equals 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

See the map of the 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