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How far is St Augustine, FL, from Harrison, AR?

The distance between Harrison (Boone County Airport) and St Augustine (Northeast Florida Regional Airport) is 810 miles / 1304 kilometers / 704 nautical miles.

The driving distance from Harrison (HRO) to St Augustine (UST) is 963 miles / 1550 kilometers, and travel time by car is about 18 hours 38 minutes.

Boone County Airport – Northeast Florida Regional Airport

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810
Miles
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1304
Kilometers
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704
Nautical miles

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Distance from Harrison to St Augustine

There are several ways to calculate the distance from Harrison to St Augustine. Here are two standard methods:

Vincenty's formula (applied above)
  • 810.303 miles
  • 1304.056 kilometers
  • 704.134 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
  • 809.688 miles
  • 1303.066 kilometers
  • 703.600 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 Harrison to St Augustine?

The estimated flight time from Boone County Airport to Northeast Florida Regional Airport is 2 hours and 2 minutes.

Flight carbon footprint between Boone County Airport (HRO) and Northeast Florida Regional Airport (UST)

On average, flying from Harrison to St Augustine generates about 136 kg of CO2 per passenger, and 136 kilograms equals 299 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Boone County Airport (HRO) and Northeast Florida Regional Airport (UST).

Airport information

Origin Boone County Airport
City: Harrison, AR
Country: United States Flag of United States
IATA Code: HRO
ICAO Code: KHRO
Coordinates: 36°15′41″N, 93°9′16″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