# Distance between Houston, TX (IAH) and Westerly, RI (WST)

Flight distance from Houston to Westerly (Houston George Bush Intercontinental Airport – Westerly State Airport) is 1531 miles / 2464 kilometers / 1331 nautical miles. Estimated flight time is 3 hours 23 minutes.

Driving distance from Houston (IAH) to Westerly (WST) is 1780 miles / 2865 kilometers and travel time by car is about 31 hours 37 minutes.

## Map of flight path and driving directions from Houston to Westerly.

Shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Westerly State Airport (WST).

## How far is Westerly from Houston?

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

Vincenty's formula (applied above)
• 1531.147 miles
• 2464.142 kilometers
• 1330.530 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
• 1529.477 miles
• 2461.455 kilometers
• 1329.079 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
IATA Code: IAH
ICAO Code: KIAH
Coordinates: 29°59′3″N, 95°20′29″W

B Westerly State Airport
City: Westerly, RI
Country: United States
IATA Code: WST
ICAO Code: KWST
Coordinates: 41°20′58″N, 71°48′12″W

## Time difference and current local times

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

CST

EST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 181 kg (400 pounds).

## Frequent Flyer Miles Calculator

Houston (IAH) → Westerly (WST).

Distance:
1531
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1531

Round trip?