# Distance between Seattle, WA (BFI) and Gustavus, AK (GST)

Flight distance from Seattle to Gustavus (Seattle Boeing Field – Gustavus Airport) is 935 miles / 1504 kilometers / 812 nautical miles. Estimated flight time is 2 hours 16 minutes.

Driving distance from Seattle (BFI) to Gustavus (GST) is 1475 miles / 2374 kilometers and travel time by car is about 37 hours 57 minutes.

## Map of flight path and driving directions from Seattle to Gustavus.

Shortest flight path between Seattle Boeing Field (BFI) and Gustavus Airport (GST).

## How far is Gustavus from Seattle?

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

Vincenty's formula (applied above)
• 934.781 miles
• 1504.385 kilometers
• 812.303 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
• 933.232 miles
• 1501.891 kilometers
• 810.956 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 Boeing Field
City: Seattle, WA
Country: United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W

B Gustavus Airport
City: Gustavus, AK
Country: United States
IATA Code: GST
ICAO Code: PAGS
Coordinates: 58°25′31″N, 135°42′25″W

## Time difference and current local times

The time difference between Seattle and Gustavus is 1 hour. Gustavus is 1 hour behind Seattle.

PDT

AKDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 146 kg (322 pounds).

## Frequent Flyer Miles Calculator

Seattle (BFI) → Gustavus (GST).

Distance:
935
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
935

Round trip?