Air Miles Calculator

Distance between Detroit, MI (DTW) and Portsmouth, NH (PSM)

Distance from Detroit to Portsmouth (Detroit Metropolitan Airport – Portsmouth International Airport at Pease) is 641 miles / 1031 kilometers / 557 nautical miles.

How far is Portsmouth from Detroit?

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

Vincenty's formula (applied above)
  • 640.691 miles
  • 1031.092 kilometers
  • 556.745 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
  • 639.011 miles
  • 1028.389 kilometers
  • 555.286 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).

Flight duration

Estimated flight time from Detroit Metropolitan Airport (DTW) to Portsmouth International Airport at Pease (PSM) is 1 hour 42 minutes.

Time difference and current local times

There is no time difference between Detroit and Portsmouth.

Time Difference

Detroit
Portsmouth

Detroit, MI

 EST

Portsmouth, NH

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 118 kg (260 pounds).

Airport information


A Detroit Metropolitan Airport
City: Detroit, MI
Country: United States Flag of United States
IATA Code: DTW
ICAO Code: KDTW
Coordinates: 42°12′44″N, 83°21′12″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

Map

Detroit to Portsmouth flight map.

Frequent Flyer Miles Calculator

Detroit (DTW) → Portsmouth (PSM).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
641
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
641

Round trip?