How far is Portsmouth, NH, from Dublin?
The distance between Dublin (Dublin Airport) and Portsmouth (Portsmouth International Airport at Pease) is 2955 miles / 4756 kilometers / 2568 nautical miles.
Dublin Airport – Portsmouth International Airport at Pease
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Distance from Dublin to Portsmouth
There are several ways to calculate the distance from Dublin to Portsmouth. Here are two standard methods:
Vincenty's formula (applied above)- 2955.132 miles
- 4755.823 kilometers
- 2567.939 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- 2946.887 miles
- 4742.555 kilometers
- 2560.775 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 Dublin to Portsmouth?
The estimated flight time from Dublin Airport to Portsmouth International Airport at Pease is 6 hours and 5 minutes.
What is the time difference between Dublin and Portsmouth?
The time difference between Dublin and Portsmouth is 5 hours. Portsmouth is 5 hours behind Dublin.
Flight carbon footprint between Dublin Airport (DUB) and Portsmouth International Airport at Pease (PSM)
On average, flying from Dublin to Portsmouth generates about 329 kg of CO2 per passenger, and 329 kilograms equals 725 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Dublin to Portsmouth
See the map of the shortest flight path between Dublin Airport (DUB) and Portsmouth International Airport at Pease (PSM).
Airport information
Origin | Dublin Airport |
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City: | Dublin |
Country: | Ireland ![]() |
IATA Code: | DUB |
ICAO Code: | EIDW |
Coordinates: | 53°25′16″N, 6°16′12″W |
Destination | Portsmouth International Airport at Pease |
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City: | Portsmouth, NH |
Country: | United States ![]() |
IATA Code: | PSM |
ICAO Code: | KPSM |
Coordinates: | 43°4′40″N, 70°49′23″W |