How far is Casper, WY, from Portland, ME?
The distance between Portland (Portland International Jetport) and Casper (Casper–Natrona County International Airport) is 1810 miles / 2913 kilometers / 1573 nautical miles.
The driving distance from Portland (PWM) to Casper (CPR) is 2222 miles / 3576 kilometers, and travel time by car is about 40 hours 14 minutes.
Portland International Jetport – Casper–Natrona County International Airport
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Distance from Portland to Casper
There are several ways to calculate the distance from Portland to Casper. Here are two standard methods:
Vincenty's formula (applied above)- 1809.786 miles
- 2912.568 kilometers
- 1572.661 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- 1804.924 miles
- 2904.743 kilometers
- 1568.436 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 Casper?
The estimated flight time from Portland International Jetport to Casper–Natrona County International Airport is 3 hours and 55 minutes.
What is the time difference between Portland and Casper?
The time difference between Portland and Casper is 2 hours. Casper is 2 hours behind Portland.
Flight carbon footprint between Portland International Jetport (PWM) and Casper–Natrona County International Airport (CPR)
On average, flying from Portland to Casper generates about 201 kg of CO2 per passenger, and 201 kilograms equals 443 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 Casper
See the map of the shortest flight path between Portland International Jetport (PWM) and Casper–Natrona County International Airport (CPR).
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 | Casper–Natrona County International Airport |
|---|---|
| City: | Casper, WY |
| Country: | United States |
| IATA Code: | CPR |
| ICAO Code: | KCPR |
| Coordinates: | 42°54′28″N, 106°27′50″W |