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

Flight distance from Detroit to Portsmouth (Detroit Metropolitan Airport – Portsmouth International Airport at Pease) is 641 miles / 1031 kilometers / 557 nautical miles. Estimated flight time is 1 hour 42 minutes.

Driving distance from Detroit (DTW) to Portsmouth (PSM) is 788 miles / 1268 kilometers and travel time by car is about 15 hours 44 minutes.

Detroit – Portsmouth

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641
Miles
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1031
Kilometers
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557
Nautical miles

How far is Portsmouth from Detroit?

There are several ways to calculate distances between Los Angeles and Chicago. 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 to Portsmouth is 1 hour 42 minutes.

Time difference and current local times

There is no time difference between Detroit and Portsmouth.

Detroit time to Portsmouth time converter

Time in Detroit: 00:00 ⇆ Time in Portsmouth: 00:00

Current local times

Detroit, MI

 EDT

Portsmouth, NH

 EDT

Carbon dioxide emissions

On average flying from Detroit to Portsmouth generates about 118 kg of CO2 per passenger, 118 kilograms is equal to 260 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Detroit to Portsmouth

Shortest flight path between Detroit Metropolitan Airport (DTW) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin 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
Destination 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