How far is Washington D.C. from Johnstown?
There are several ways to calculate distances between Johnstown and Washington D.C.. Here are two common 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 – the shortest distance between two points).
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..
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 38 kg (85 pounds).
Johnstown to Washington D.C. flight map.
Frequent Flyer Miles Calculator
Johnstown (JST) → Washington D.C. (IAD).