Air Miles Calculator logo

Distance between Houston, TX (HOU) and St Augustine, FL (UST)

Flight distance from Houston to St Augustine (Houston William P. Hobby Airport – Northeast Florida Regional Airport) is 837 miles / 1347 kilometers / 727 nautical miles. Estimated flight time is 2 hours 5 minutes.

Driving distance from Houston (HOU) to St Augustine (UST) is 905 miles / 1456 kilometers and travel time by car is about 16 hours 37 minutes.

Houston – St Augustine

Distance arrow
837
Miles
Distance arrow
1347
Kilometers
Distance arrow
727
Nautical miles

How far is St Augustine from Houston?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common 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 earth.

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).

Flight Duration

Estimated flight time from Houston to St Augustine is 2 hours 5 minutes.

Time difference and current local times

The time difference between Houston and St Augustine is 1 hour. St Augustine is 1 hour ahead of Houston.

Houston time to St Augustine time converter

Time in Houston: 00:00 ⇆ Time in St Augustine: 00:00

Current local times

Houston, TX

 CDT

St Augustine, FL

 EDT

Carbon dioxide emissions

On average flying from Houston to St Augustine generates about 138 kg of CO2 per passenger, 138 kilograms is equal to 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

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