How far is Johnstown from Washington D.C.?
There are several ways to calculate distances between Washington D.C. and Johnstown. 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 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 42 kg (92 pounds).
Washington D.C. to Johnstown flight map.
Frequent Flyer Miles Calculator
Washington D.C. (IAD) → Johnstown (JST).