Air Miles Calculator

Distance between Georgetown (GCM) and Houston, TX (IAH)

Flight distance from Georgetown to Houston (Owen Roberts International Airport – Houston George Bush Intercontinental Airport) is 1145 miles / 1843 kilometers / 995 nautical miles. Estimated flight time is 2 hours 40 minutes.

Map of flight path from Georgetown to Houston.

Shortest flight path between Owen Roberts International Airport (GCM) and Houston George Bush Intercontinental Airport (IAH).

How far is Houston from Georgetown?

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

Vincenty's formula (applied above)
  • 1145.029 miles
  • 1842.745 kilometers
  • 995.003 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
  • 1145.706 miles
  • 1843.834 kilometers
  • 995.591 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 Owen Roberts International Airport
City: Georgetown
Country: Cayman Islands Flag of Cayman Islands
IATA Code: GCM
ICAO Code: MWCR
Coordinates: 19°17′34″N, 81°21′27″W

B 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

Time difference and current local times

There is no time difference between Georgetown and Houston.

Time Difference

Georgetown

 EST

Houston, TX

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 159 kg (351 pounds).

Frequent Flyer Miles Calculator

Georgetown (GCM) → Houston (IAH).

Distance:
1145
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1145

Round trip?