Calculations with different methods
- 1027.816 miles
- 1654.110 kilometers
- 893.148 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
- 1026.242 miles
- 1651.576 kilometers
- 891.780 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Valley International Airport (HRL) to Northeast Florida Regional Airport (UST) is 2 hours 26 minutes.
Time difference and current local times
The time difference between Harlingen and St Augustine is 1 hour. St Augustine is 1 hour ahead of Harlingen.
St Augustine, FL
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 143 kg (314 pounds).
Harlingen to St Augustine flight map.
Frequent Flyer Miles Calculator
Harlingen (HRL) → St Augustine (UST).