Air Miles Calculator

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

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

Time difference and current local times

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

Time Difference

Washington D.C.
Johnstown

Washington D.C.

 EST

Johnstown, PA

 EST

Airport information


A 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

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

Map

Flight map from Washington D.C. to Johnstown.

Frequent Flyer Miles Calculator

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

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?