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How far is St Augustine, FL, from Houston, TX?

The distance between Houston (Houston William P. Hobby Airport) and St Augustine (Northeast Florida Regional Airport) is 837 miles / 1347 kilometers / 727 nautical miles.

The driving distance from Houston (HOU) to St Augustine (UST) is 905 miles / 1456 kilometers, and travel time by car is about 16 hours 39 minutes.

Houston William P. Hobby Airport – Northeast Florida Regional Airport

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837
Miles
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1347
Kilometers
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727
Nautical miles

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Distance from Houston to St Augustine

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

Vincenty's formula (applied above)
  • 837.118 miles
  • 1347.211 kilometers
  • 727.436 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
  • 835.494 miles
  • 1344.597 kilometers
  • 726.024 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 Houston to St Augustine?

The estimated flight time from Houston William P. Hobby Airport to Northeast Florida Regional Airport is 2 hours and 5 minutes.

Flight carbon footprint between Houston William P. Hobby Airport (HOU) and Northeast Florida Regional Airport (UST)

On average, flying from Houston to St Augustine generates about 138 kg of CO2 per passenger, and 138 kilograms equals 305 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Houston William P. Hobby Airport (HOU) and Northeast Florida Regional Airport (UST).

Airport information

Origin Houston William P. Hobby Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: HOU
ICAO Code: KHOU
Coordinates: 29°38′43″N, 95°16′44″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