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How far is Portsmouth, NH, from Grand Rapids, MI?

The distance between Grand Rapids (Gerald R. Ford International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 744 miles / 1198 kilometers / 647 nautical miles.

The driving distance from Grand Rapids (GRR) to Portsmouth (PSM) is 885 miles / 1424 kilometers, and travel time by car is about 17 hours 12 minutes.

Gerald R. Ford International Airport – Portsmouth International Airport at Pease

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744
Miles
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1198
Kilometers
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647
Nautical miles

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Distance from Grand Rapids to Portsmouth

There are several ways to calculate the distance from Grand Rapids to Portsmouth. Here are two standard methods:

Vincenty's formula (applied above)
  • 744.202 miles
  • 1197.677 kilometers
  • 646.694 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
  • 742.214 miles
  • 1194.478 kilometers
  • 644.966 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 Grand Rapids to Portsmouth?

The estimated flight time from Gerald R. Ford International Airport to Portsmouth International Airport at Pease is 1 hour and 54 minutes.

What is the time difference between Grand Rapids and Portsmouth?

There is no time difference between Grand Rapids and Portsmouth.

Flight carbon footprint between Gerald R. Ford International Airport (GRR) and Portsmouth International Airport at Pease (PSM)

On average, flying from Grand Rapids to Portsmouth generates about 129 kg of CO2 per passenger, and 129 kilograms equals 285 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Grand Rapids to Portsmouth

See the map of the shortest flight path between Gerald R. Ford International Airport (GRR) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Gerald R. Ford International Airport
City: Grand Rapids, MI
Country: United States Flag of United States
IATA Code: GRR
ICAO Code: KGRR
Coordinates: 42°52′50″N, 85°31′22″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