How far is Johnstown from Chicago?
There are several ways to calculate distances between Chicago and Johnstown. Here are two common methods:Vincenty's formula (applied above)
- 486.610 miles
- 783.123 kilometers
- 422.852 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
- 485.464 miles
- 781.279 kilometers
- 421.857 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 O'Hare International Airport (ORD) to Johnstown–Cambria County Airport (JST) is 1 hour 25 minutes.
Time difference and current local times
The time difference between Chicago and Johnstown is 1 hour. Johnstown is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 97 kg (214 pounds).
Chicago to Johnstown flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Johnstown (JST).