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How far is Dayton, OH, from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and Dayton (Dayton International Airport) is 728 miles / 1171 kilometers / 633 nautical miles.

The driving distance from Portsmouth (PSM) to Dayton (DAY) is 884 miles / 1422 kilometers, and travel time by car is about 16 hours 58 minutes.

Portsmouth International Airport at Pease – Dayton International Airport

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728
Miles
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1171
Kilometers
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633
Nautical miles

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Distance from Portsmouth to Dayton

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

Vincenty's formula (applied above)
  • 727.900 miles
  • 1171.441 kilometers
  • 632.528 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
  • 726.267 miles
  • 1168.814 kilometers
  • 631.109 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 Portsmouth to Dayton?

The estimated flight time from Portsmouth International Airport at Pease to Dayton International Airport is 1 hour and 52 minutes.

What is the time difference between Portsmouth and Dayton?

There is no time difference between Portsmouth and Dayton.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Dayton International Airport (DAY)

On average, flying from Portsmouth to Dayton generates about 128 kg of CO2 per passenger, and 128 kilograms equals 281 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Portsmouth to Dayton

See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Dayton International Airport (DAY).

Airport information

Origin 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
Destination Dayton International Airport
City: Dayton, OH
Country: United States Flag of United States
IATA Code: DAY
ICAO Code: KDAY
Coordinates: 39°54′8″N, 84°13′9″W