How far is Portsmouth, NH, from Ithaca, NY?
The distance between Ithaca (Ithaca Tompkins Regional Airport) and Portsmouth (Portsmouth International Airport at Pease) is 289 miles / 466 kilometers / 251 nautical miles.
The driving distance from Ithaca (ITH) to Portsmouth (PSM) is 392 miles / 631 kilometers, and travel time by car is about 8 hours 7 minutes.
Ithaca Tompkins Regional Airport – Portsmouth International Airport at Pease
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Distance from Ithaca to Portsmouth
There are several ways to calculate the distance from Ithaca to Portsmouth. Here are two standard methods:
Vincenty's formula (applied above)- 289.303 miles
- 465.588 kilometers
- 251.398 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- 288.554 miles
- 464.382 kilometers
- 250.746 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 Ithaca to Portsmouth?
The estimated flight time from Ithaca Tompkins Regional Airport to Portsmouth International Airport at Pease is 1 hour and 2 minutes.
What is the time difference between Ithaca and Portsmouth?
Flight carbon footprint between Ithaca Tompkins Regional Airport (ITH) and Portsmouth International Airport at Pease (PSM)
On average, flying from Ithaca to Portsmouth generates about 68 kg of CO2 per passenger, and 68 kilograms equals 149 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Ithaca to Portsmouth
See the map of the shortest flight path between Ithaca Tompkins Regional Airport (ITH) and Portsmouth International Airport at Pease (PSM).
Airport information
| Origin | Ithaca Tompkins Regional Airport |
|---|---|
| City: | Ithaca, NY |
| Country: | United States  |
| IATA Code: | ITH |
| ICAO Code: | KITH |
| Coordinates: | 42°29′27″N, 76°27′30″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 |