How far is Portsmouth, NH, from Dayton, OH?
The distance between Dayton (Dayton International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 728 miles / 1171 kilometers / 633 nautical miles.
The driving distance from Dayton (DAY) to Portsmouth (PSM) is 889 miles / 1430 kilometers, and travel time by car is about 17 hours 2 minutes.
Dayton International Airport – Portsmouth International Airport at Pease
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Distance from Dayton to Portsmouth
There are several ways to calculate the distance from Dayton to Portsmouth. 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 Dayton to Portsmouth?
The estimated flight time from Dayton International Airport to Portsmouth International Airport at Pease is 1 hour and 52 minutes.
What is the time difference between Dayton and Portsmouth?
Flight carbon footprint between Dayton International Airport (DAY) and Portsmouth International Airport at Pease (PSM)
On average, flying from Dayton to Portsmouth 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 Dayton to Portsmouth
See the map of the shortest flight path between Dayton International Airport (DAY) and Portsmouth International Airport at Pease (PSM).
Airport information
| Origin | Dayton International Airport |
|---|---|
| City: | Dayton, OH |
| Country: | United States  |
| IATA Code: | DAY |
| ICAO Code: | KDAY |
| Coordinates: | 39°54′8″N, 84°13′9″W |
| Destination | Portsmouth International Airport at Pease |
|---|---|
| City: | Portsmouth, NH |
| Country: | United States |
| IATA Code: | PSM |
| ICAO Code: | KPSM |
| Coordinates: | 43°4′40″N, 70°49′23″W |