How far is Portsmouth, NH, from Casper, WY?
The distance between Casper (Casper–Natrona County International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 1792 miles / 2884 kilometers / 1557 nautical miles.
The driving distance from Casper (CPR) to Portsmouth (PSM) is 2182 miles / 3512 kilometers, and travel time by car is about 39 hours 39 minutes.
Casper–Natrona County International Airport – Portsmouth International Airport at Pease
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Distance from Casper to Portsmouth
There are several ways to calculate the distance from Casper to Portsmouth. Here are two standard methods:
Vincenty's formula (applied above)- 1792.264 miles
- 2884.369 kilometers
- 1557.435 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- 1787.473 miles
- 2876.659 kilometers
- 1553.272 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 Casper to Portsmouth?
The estimated flight time from Casper–Natrona County International Airport to Portsmouth International Airport at Pease is 3 hours and 53 minutes.
What is the time difference between Casper and Portsmouth?
The time difference between Casper and Portsmouth is 2 hours. Portsmouth is 2 hours ahead of Casper.
Flight carbon footprint between Casper–Natrona County International Airport (CPR) and Portsmouth International Airport at Pease (PSM)
On average, flying from Casper to Portsmouth generates about 199 kg of CO2 per passenger, and 199 kilograms equals 440 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Casper to Portsmouth
See the map of the shortest flight path between Casper–Natrona County International Airport (CPR) and Portsmouth International Airport at Pease (PSM).
Airport information
| Origin | 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 |
| Destination | Portsmouth International Airport at Pease |
|---|---|
| City: | Portsmouth, NH |
| Country: | United States |
| IATA Code: | PSM |
| ICAO Code: | KPSM |
| Coordinates: | 43°4′40″N, 70°49′23″W |