Air Miles Calculator

Distance between Redmond, OR (RDM) and Portsmouth, NH (PSM)

Flight distance from Redmond to Portsmouth (Roberts Field – Portsmouth International Airport at Pease) is 2483 miles / 3996 kilometers / 2158 nautical miles. Estimated flight time is 5 hours 12 minutes.

Driving distance from Redmond (RDM) to Portsmouth (PSM) is 3050 miles / 4908 kilometers and travel time by car is about 52 hours 11 minutes.

Map of flight path and driving directions from Redmond to Portsmouth.

Shortest flight path between Roberts Field (RDM) and Portsmouth International Airport at Pease (PSM).

How far is Portsmouth from Redmond?

There are several ways to calculate distances between Redmond and Portsmouth. Here are two common methods:

Vincenty's formula (applied above)
  • 2483.293 miles
  • 3996.473 kilometers
  • 2157.923 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 2476.572 miles
  • 3985.656 kilometers
  • 2152.082 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).

Airport information


A Roberts Field
City: Redmond, OR
Country: United States Flag of United States
IATA Code: RDM
ICAO Code: KRDM
Coordinates: 44°15′14″N, 121°9′0″W

B Portsmouth International Airport at Pease
City: Portsmouth, NH
Country: United States Flag of United States
IATA Code: PSM
ICAO Code: KPSM
Coordinates: 43°4′40″N, 70°49′23″W

Time difference and current local times

The time difference between Redmond and Portsmouth is 3 hours. Portsmouth is 3 hours ahead of Redmond.

Time Difference

Redmond, OR

 PST

Portsmouth, NH

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 273 kg (602 pounds).

Frequent Flyer Miles Calculator

Redmond (RDM) → Portsmouth (PSM).

Distance:
2483
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2483

Round trip?