Air Miles Calculator

Distance between Houston, TX (HOU) and Petersburg, AK (PSG)

Flight distance from Houston to Petersburg (Houston William P. Hobby Airport – Petersburg James A. Johnson Airport) is 2611 miles / 4202 kilometers / 2269 nautical miles. Estimated flight time is 5 hours 26 minutes.

Driving distance from Houston (HOU) to Petersburg (PSG) is 3324 miles / 5349 kilometers and travel time by car is about 70 hours 16 minutes.

Map of flight path and driving directions from Houston to Petersburg.

Shortest flight path between Houston William P. Hobby Airport (HOU) and Petersburg James A. Johnson Airport (PSG).

How far is Petersburg from Houston?

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

Vincenty's formula (applied above)
  • 2611.093 miles
  • 4202.147 kilometers
  • 2268.978 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
  • 2608.940 miles
  • 4198.683 kilometers
  • 2267.107 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 William P. Hobby Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: HOU
ICAO Code: KHOU
Coordinates: 29°38′43″N, 95°16′44″W

B Petersburg James A. Johnson Airport
City: Petersburg, AK
Country: United States Flag of United States
IATA Code: PSG
ICAO Code: PAPG
Coordinates: 56°48′6″N, 132°56′42″W

Time difference and current local times

The time difference between Houston and Petersburg is 3 hours. Petersburg is 3 hours behind Houston.

Time Difference

Houston, TX

 CDT

Petersburg, AK

 AKDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 293 kg (645 pounds).

Frequent Flyer Miles Calculator

Houston (HOU) → Petersburg (PSG).

Air miles:
2611
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2611

Round trip?