How far is Portsmouth, NH, from Rapid City, SD?
The distance between Rapid City (Rapid City Regional Airport) and Portsmouth (Portsmouth International Airport at Pease) is 1609 miles / 2590 kilometers / 1398 nautical miles.
The driving distance from Rapid City (RAP) to Portsmouth (PSM) is 1857 miles / 2988 kilometers, and travel time by car is about 35 hours 9 minutes.
Rapid City Regional Airport – Portsmouth International Airport at Pease
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Distance from Rapid City to Portsmouth
There are several ways to calculate the distance from Rapid City to Portsmouth. 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 Rapid City to Portsmouth?
The estimated flight time from Rapid City Regional Airport to Portsmouth International Airport at Pease is 3 hours and 32 minutes.
What is the time difference between Rapid City and Portsmouth?
Flight carbon footprint between Rapid City Regional Airport (RAP) and Portsmouth International Airport at Pease (PSM)
On average, flying from Rapid City to Portsmouth 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 Rapid City to Portsmouth
See the map of the shortest flight path between Rapid City Regional Airport (RAP) and Portsmouth International Airport at Pease (PSM).
Airport information
| Origin | 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 |
| 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 |