Air Miles Calculator

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 Flag of 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 Flag of 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.

Time Difference

Houston, TX

 CST

St Michael, AK

 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?