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).
How far is St Augustine from Houston?
There are several ways to calculate distances between Houston and St Augustine. 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).
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.
St Augustine, FL
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 138 kg (305 pounds).
Frequent Flyer Miles Calculator
Houston (HOU) → St Augustine (UST).