How far is Carlsbad, NM, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Carlsbad (Cavern City Air Terminal) is 1960 miles / 3154 kilometers / 1703 nautical miles.
The driving distance from Portsmouth (PSM) to Carlsbad (CNM) is 2257 miles / 3632 kilometers, and travel time by car is about 42 hours 8 minutes.
Portsmouth International Airport at Pease – Cavern City Air Terminal
Search flights
Distance from Portsmouth to Carlsbad
There are several ways to calculate the distance from Portsmouth to Carlsbad. Here are two standard methods:
Vincenty's formula (applied above)- 1960.087 miles
- 3154.454 kilometers
- 1703.269 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- 1956.630 miles
- 3148.891 kilometers
- 1700.265 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 Portsmouth to Carlsbad?
The estimated flight time from Portsmouth International Airport at Pease to Cavern City Air Terminal is 4 hours and 12 minutes.
What is the time difference between Portsmouth and Carlsbad?
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Cavern City Air Terminal (CNM)
On average, flying from Portsmouth to Carlsbad generates about 214 kg of CO2 per passenger, and 214 kilograms equals 471 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Portsmouth to Carlsbad
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Cavern City Air Terminal (CNM).
Airport information
| Origin | 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 |
| Destination | Cavern City Air Terminal |
|---|---|
| City: | Carlsbad, NM |
| Country: | United States |
| IATA Code: | CNM |
| ICAO Code: | KCNM |
| Coordinates: | 32°20′15″N, 104°15′46″W |