How far is Johnstown, PA, from Portland, ME?
The distance between Portland (Portland International Jetport) and Johnstown (Johnstown–Cambria County Airport) is 495 miles / 797 kilometers / 430 nautical miles.
The driving distance from Portland (PWM) to Johnstown (JST) is 611 miles / 983 kilometers, and travel time by car is about 12 hours 7 minutes.
Portland International Jetport – Johnstown–Cambria County Airport
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Distance from Portland to Johnstown
There are several ways to calculate the distance from Portland to Johnstown. Here are two standard methods:
Vincenty's formula (applied above)- 495.163 miles
- 796.888 kilometers
- 430.285 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- 494.265 miles
- 795.443 kilometers
- 429.505 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 Portland to Johnstown?
The estimated flight time from Portland International Jetport to Johnstown–Cambria County Airport is 1 hour and 26 minutes.
What is the time difference between Portland and Johnstown?
Flight carbon footprint between Portland International Jetport (PWM) and Johnstown–Cambria County Airport (JST)
On average, flying from Portland to Johnstown generates about 98 kg of CO2 per passenger, and 98 kilograms equals 216 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Portland to Johnstown
See the map of the shortest flight path between Portland International Jetport (PWM) and Johnstown–Cambria County Airport (JST).
Airport information
| Origin | Portland International Jetport |
|---|---|
| City: | Portland, ME |
| Country: | United States  |
| IATA Code: | PWM |
| ICAO Code: | KPWM |
| Coordinates: | 43°38′46″N, 70°18′33″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 |