# Distance between Houston, TX (IAH) and St Michael, AK (SMK)

Flight distance from Houston to St Michael (Houston George Bush Intercontinental Airport – St. Michael Airport) is 3678 miles / 5919 kilometers / 3196 nautical miles. Estimated flight time is 7 hours 27 minutes.

Driving distance from Houston (IAH) to St Michael (SMK) is 4927 miles / 7930 kilometers and travel time by car is about 159 hours 19 minutes.

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

Shortest flight path between Houston George Bush Intercontinental Airport (IAH) and St. Michael Airport (SMK).

## How far is St Michael from Houston?

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

Vincenty's formula (applied above)
• 3678.092 miles
• 5919.316 kilometers
• 3196.175 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
• 3672.348 miles
• 5910.071 kilometers
• 3191.183 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 St. Michael Airport
City: St Michael, AK
Country: United States
IATA Code: SMK
ICAO Code: PAMK
Coordinates: 63°29′24″N, 162°6′36″W

## Time difference and current local times

The time difference between Houston and St Michael is 3 hours. St Michael is 3 hours behind Houston.

CST

AKST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 416 kg (918 pounds).

## Frequent Flyer Miles Calculator

Houston (IAH) → St Michael (SMK).

Distance:
3678
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
3678

Round trip?