How far is Johnstown, PA, from Decatur, IL?
The distance between Decatur (Decatur Airport) and Johnstown (Johnstown–Cambria County Airport) is 532 miles / 857 kilometers / 463 nautical miles.
The driving distance from Decatur (DEC) to Johnstown (JST) is 599 miles / 964 kilometers, and travel time by car is about 11 hours 42 minutes.
Decatur Airport – Johnstown–Cambria County Airport
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Distance from Decatur to Johnstown
There are several ways to calculate the distance from Decatur to Johnstown. Here are two standard methods:
Vincenty's formula (applied above)- 532.465 miles
- 856.920 kilometers
- 462.700 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 531.140 miles
- 854.787 kilometers
- 461.548 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).
How long does it take to fly from Decatur to Johnstown?
The estimated flight time from Decatur Airport to Johnstown–Cambria County Airport is 1 hour and 30 minutes.
What is the time difference between Decatur and Johnstown?
The time difference between Decatur and Johnstown is 1 hour. Johnstown is 1 hour ahead of Decatur.
Flight carbon footprint between Decatur Airport (DEC) and Johnstown–Cambria County Airport (JST)
On average, flying from Decatur to Johnstown generates about 103 kg of CO2 per passenger, and 103 kilograms equals 228 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Decatur to Johnstown
See the map of the shortest flight path between Decatur Airport (DEC) and Johnstown–Cambria County Airport (JST).
Airport information
| Origin | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States  |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |
| Destination | Johnstown–Cambria County Airport |
|---|---|
| City: | Johnstown, PA |
| Country: | United States |
| IATA Code: | JST |
| ICAO Code: | KJST |
| Coordinates: | 40°18′57″N, 78°50′2″W |