Calculations with different methods
- 2562.491 miles
- 4123.929 kilometers
- 2226.743 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
- 2562.636 miles
- 4124.162 kilometers
- 2226.869 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Piarco International Airport (POS) to George Bush Intercontinental Airport (IAH) is 5 hours 21 minutes.
Time difference and current local times
The time difference between Port of Spain and Houston is 1 hour. Houston is 1 hour behind Port of Spain.
Port of Spain
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 302 kg (666 pounds).
Port of Spain to Houston flight map.
Frequent Flyer Miles Calculator
Port of Spain (POS) → Houston (IAH).