How far is Portland, ME, from Johnstown, PA?
The distance between Johnstown (Johnstown–Cambria County Airport) and Portland (Portland International Jetport) is 495 miles / 797 kilometers / 430 nautical miles.
The driving distance from Johnstown (JST) to Portland (PWM) is 612 miles / 985 kilometers, and travel time by car is about 12 hours 4 minutes.
Johnstown–Cambria County Airport – Portland International Jetport
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Distance from Johnstown to Portland
There are several ways to calculate the distance from Johnstown to Portland. 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 Johnstown to Portland?
The estimated flight time from Johnstown–Cambria County Airport to Portland International Jetport is 1 hour and 26 minutes.
What is the time difference between Johnstown and Portland?
Flight carbon footprint between Johnstown–Cambria County Airport (JST) and Portland International Jetport (PWM)
On average, flying from Johnstown to Portland 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 Johnstown to Portland
See the map of the shortest flight path between Johnstown–Cambria County Airport (JST) and Portland International Jetport (PWM).
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 | Portland International Jetport |
|---|---|
| City: | Portland, ME |
| Country: | United States |
| IATA Code: | PWM |
| ICAO Code: | KPWM |
| Coordinates: | 43°38′46″N, 70°18′33″W |