How far is Washington D.C. from Johnstown, PA?
The distance between Johnstown (Johnstown–Cambria County Airport) and Washington D.C. (Ronald Reagan Washington National Airport) is 139 miles / 224 kilometers / 121 nautical miles.
The driving distance from Johnstown (JST) to Washington D.C. (DCA) is 176 miles / 283 kilometers, and travel time by car is about 3 hours 56 minutes.
Johnstown–Cambria County Airport – Ronald Reagan Washington National Airport
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Distance from Johnstown to Washington D.C.
There are several ways to calculate the distance from Johnstown to Washington D.C.. Here are two standard methods:
Vincenty's formula (applied above)- 139.259 miles
- 224.115 kilometers
- 121.012 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- 139.206 miles
- 224.031 kilometers
- 120.967 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 Johnstown to Washington D.C.?
The estimated flight time from Johnstown–Cambria County Airport to Ronald Reagan Washington National Airport is 45 minutes.
What is the time difference between Johnstown and Washington D.C.?
There is no time difference between Johnstown and Washington D.C..
Flight carbon footprint between Johnstown–Cambria County Airport (JST) and Ronald Reagan Washington National Airport (DCA)
On average, flying from Johnstown to Washington D.C. generates about 46 kg of CO2 per passenger, and 46 kilograms equals 100 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Johnstown to Washington D.C.
See the map of the shortest flight path between Johnstown–Cambria County Airport (JST) and Ronald Reagan Washington National Airport (DCA).
Airport information
| Origin | 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 |
| Destination | Ronald Reagan Washington National Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States |
| IATA Code: | DCA |
| ICAO Code: | KDCA |
| Coordinates: | 38°51′7″N, 77°2′15″W |