How far is Ithaca, NY, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Ithaca (Ithaca Tompkins Regional Airport) is 289 miles / 466 kilometers / 251 nautical miles.
The driving distance from Portsmouth (PSM) to Ithaca (ITH) is 388 miles / 625 kilometers, and travel time by car is about 8 hours 5 minutes.
Portsmouth International Airport at Pease – Ithaca Tompkins Regional Airport
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Distance from Portsmouth to Ithaca
There are several ways to calculate the distance from Portsmouth to Ithaca. 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 Portsmouth to Ithaca?
The estimated flight time from Portsmouth International Airport at Pease to Ithaca Tompkins Regional Airport is 1 hour and 2 minutes.
What is the time difference between Portsmouth and Ithaca?
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Ithaca Tompkins Regional Airport (ITH)
On average, flying from Portsmouth to Ithaca 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 Portsmouth to Ithaca
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Ithaca Tompkins Regional Airport (ITH).
Airport information
| Origin | 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 |
| Destination | 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 |