How far is Rapid City, SD, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Rapid City (Rapid City Regional Airport) is 1609 miles / 2590 kilometers / 1398 nautical miles.
The driving distance from Portsmouth (PSM) to Rapid City (RAP) is 1854 miles / 2983 kilometers, and travel time by car is about 35 hours 9 minutes.
Portsmouth International Airport at Pease – Rapid City Regional Airport
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Distance from Portsmouth to Rapid City
There are several ways to calculate the distance from Portsmouth to Rapid City. Here are two standard methods:
Vincenty's formula (applied above)- 1609.267 miles
- 2589.864 kilometers
- 1398.415 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- 1604.922 miles
- 2582.871 kilometers
- 1394.639 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 Rapid City?
The estimated flight time from Portsmouth International Airport at Pease to Rapid City Regional Airport is 3 hours and 32 minutes.
What is the time difference between Portsmouth and Rapid City?
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Rapid City Regional Airport (RAP)
On average, flying from Portsmouth to Rapid City generates about 186 kg of CO2 per passenger, and 186 kilograms equals 411 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 Rapid City
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Rapid City Regional Airport (RAP).
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 | Rapid City Regional Airport |
|---|---|
| City: | Rapid City, SD |
| Country: | United States |
| IATA Code: | RAP |
| ICAO Code: | KRAP |
| Coordinates: | 44°2′43″N, 103°3′25″W |