How far is St Augustine, FL, from Houston, TX?
The distance between Houston (Houston George Bush Intercontinental Airport) and St Augustine (Northeast Florida Regional Airport) is 839 miles / 1351 kilometers / 729 nautical miles.
The driving distance from Houston (IAH) to St Augustine (UST) is 895 miles / 1441 kilometers, and travel time by car is about 16 hours 37 minutes.
Houston George Bush Intercontinental Airport – Northeast Florida Regional Airport
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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)- 839.164 miles
- 1350.504 kilometers
- 729.214 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- 837.526 miles
- 1347.868 kilometers
- 727.790 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 George Bush Intercontinental Airport to Northeast Florida Regional Airport is 2 hours and 5 minutes.
What is the time difference between Houston and St Augustine?
Flight carbon footprint between Houston George Bush Intercontinental Airport (IAH) 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 George Bush Intercontinental Airport (IAH) and Northeast Florida Regional Airport (UST).
Airport information
| Origin | Houston George Bush Intercontinental Airport |
|---|---|
| City: | Houston, TX |
| Country: | United States  |
| IATA Code: | IAH |
| ICAO Code: | KIAH |
| Coordinates: | 29°59′3″N, 95°20′29″W |
| Destination | Northeast Florida Regional Airport |
|---|---|
| City: | St Augustine, FL |
| Country: | United States |
| IATA Code: | UST |
| ICAO Code: | KSGJ |
| Coordinates: | 29°57′33″N, 81°20′23″W |