Air Miles Calculator

Distance between Houston, TX (IAH) and Port of Spain (POS)

Flight distance from Houston to Port of Spain (Houston George Bush Intercontinental Airport – Piarco International Airport) is 2562 miles / 4124 kilometers / 2227 nautical miles. Estimated flight time is 5 hours 21 minutes.

Map of flight path from Houston to Port of Spain.

Shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Piarco International Airport (POS).

How far is Port of Spain from Houston?

There are several ways to calculate distances between Houston and Port of Spain. Here are two common methods:

Vincenty's formula (applied above)
  • 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 – the shortest distance between two points).

Airport information


A Houston George Bush Intercontinental Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: IAH
ICAO Code: KIAH
Coordinates: 29°59′3″N, 95°20′29″W

B Piarco International Airport
City: Port of Spain
Country: Trinidad and Tobago Flag of Trinidad and Tobago
IATA Code: POS
ICAO Code: TTPP
Coordinates: 10°35′43″N, 61°20′13″W

Time difference and current local times

The time difference between Houston and Port of Spain is 1 hour. Port of Spain is 1 hour ahead of Houston.

Time Difference

Houston, TX

 CDT

Port of Spain

 AST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 287 kg (633 pounds).

Frequent Flyer Miles Calculator

Houston (IAH) → Port of Spain (POS).

Distance:
2562
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2562

Round trip?