Calculations with different methods
- 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).
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.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 38 kg (85 pounds).
Washington D.C. to Johnstown flight map.
Frequent Flyer Miles Calculator
Washington D.C. (IAD) → Johnstown (JST).