Air Miles Calculator

Distance between Seattle, WA (SEA) and Petersburg, AK (PSG)

Flight distance from Seattle to Petersburg (Seattle–Tacoma International Airport – Petersburg James A. Johnson Airport) is 787 miles / 1267 kilometers / 684 nautical miles. Estimated flight time is 1 hour 59 minutes.

Driving distance from Seattle (SEA) to Petersburg (PSG) is 1284 miles / 2066 kilometers and travel time by car is about 34 hours 50 minutes.

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

Shortest flight path between Seattle–Tacoma International Airport (SEA) and Petersburg James A. Johnson Airport (PSG).

How far is Petersburg from Seattle?

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

Vincenty's formula (applied above)
  • 787.351 miles
  • 1267.119 kilometers
  • 684.189 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
  • 786.180 miles
  • 1265.234 kilometers
  • 683.172 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 Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″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 Seattle and Petersburg is 1 hour. Petersburg is 1 hour behind Seattle.

Time Difference

Seattle, WA

 PST

Petersburg, AK

 AKST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 134 kg (295 pounds).

Frequent Flyer Miles Calculator

Seattle (SEA) → Petersburg (PSG).

Distance:
787
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
787

Round trip?