Air Miles Calculator

Distance between Johnstown, PA (JST) and Washington D.C. (IAD)

Distance from Johnstown–Cambria County Airport to Washington Dulles International Airport is 120 miles / 193 kilometers / 104 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 119.824 miles
  • 192.838 kilometers
  • 104.124 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
  • 119.825 miles
  • 192.840 kilometers
  • 104.125 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).

Flight duration

Estimated flight time from Johnstown–Cambria County Airport (JST) to Washington Dulles International Airport (IAD) is 43 minutes.

Time difference and current local times

There is no time difference between Johnstown and Washington D.C..

Time Difference

Johnstown
Washington D.C.

Johnstown, PA

 EST

Washington D.C.

 EST

Airport information


A 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

B Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W

Map

Flight map from Johnstown to Washington D.C..

Frequent Flyer Miles Calculator

Johnstown (JST) → Washington D.C. (IAD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
120
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
120

Round trip?