How far is Butte, MT, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Butte (Bert Mooney Airport) is 2045 miles / 3291 kilometers / 1777 nautical miles.
The driving distance from Portsmouth (PSM) to Butte (BTM) is 2394 miles / 3852 kilometers, and travel time by car is about 44 hours 59 minutes.
Portsmouth International Airport at Pease – Bert Mooney Airport
Search flights
Distance from Portsmouth to Butte
There are several ways to calculate the distance from Portsmouth to Butte. Here are two standard methods:
Vincenty's formula (applied above)- 2044.806 miles
- 3290.797 kilometers
- 1776.888 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- 2039.227 miles
- 3281.818 kilometers
- 1772.040 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 Butte?
The estimated flight time from Portsmouth International Airport at Pease to Bert Mooney Airport is 4 hours and 22 minutes.
What is the time difference between Portsmouth and Butte?
The time difference between Portsmouth and Butte is 2 hours. Butte is 2 hours behind Portsmouth.
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Bert Mooney Airport (BTM)
On average, flying from Portsmouth to Butte generates about 223 kg of CO2 per passenger, and 223 kilograms equals 491 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 Butte
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Bert Mooney Airport (BTM).
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 | Bert Mooney Airport |
|---|---|
| City: | Butte, MT |
| Country: | United States |
| IATA Code: | BTM |
| ICAO Code: | KBTM |
| Coordinates: | 45°57′17″N, 112°29′49″W |