Air Miles Calculator

Distance between Seattle, WA (BFI) and Johnstown, PA (JST)

Distance from Seattle to Johnstown (Boeing Field – Johnstown–Cambria County Airport) is 2195 miles / 3533 kilometers / 1908 nautical miles.

How far is Johnstown from Seattle?

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

Vincenty's formula (applied above)
  • 2195.212 miles
  • 3532.852 kilometers
  • 1907.587 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
  • 2189.630 miles
  • 3523.868 kilometers
  • 1902.737 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).

Flight duration

Estimated flight time from Boeing Field (BFI) to Johnstown–Cambria County Airport (JST) is 4 hours 39 minutes.

Time difference and current local times

The time difference between Seattle and Johnstown is 3 hours. Johnstown is 3 hours ahead of Seattle.

Time Difference

Seattle
Johnstown

Seattle, WA

 PDT

Johnstown, PA

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 244 kg (537 pounds).

Airport information


A Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W

B Johnstown–Cambria County Airport
City: Johnstown, PA
Country: United States Flag of United States
IATA Code: JST
ICAO Code: KJST
Coordinates: 40°18′57″N, 78°50′2″W

Seattle to Johnstown flight path

Shortest flight path between Boeing Field (BFI) and Johnstown–Cambria County Airport (JST).

Frequent Flyer Miles Calculator

Seattle (BFI) → Johnstown (JST).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
2195
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2195

Round trip?