How far is Rochester, NY, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Rochester (Greater Rochester International Airport) is 346 miles / 557 kilometers / 301 nautical miles.
The driving distance from Portsmouth (PSM) to Rochester (ROC) is 447 miles / 719 kilometers, and travel time by car is about 8 hours 58 minutes.
Portsmouth International Airport at Pease – Greater Rochester International Airport
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Distance from Portsmouth to Rochester
There are several ways to calculate the distance from Portsmouth to Rochester. Here are two standard methods:
Vincenty's formula (applied above)- 346.386 miles
- 557.454 kilometers
- 301.001 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- 345.457 miles
- 555.960 kilometers
- 300.194 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 Rochester?
The estimated flight time from Portsmouth International Airport at Pease to Greater Rochester International Airport is 1 hour and 9 minutes.
What is the time difference between Portsmouth and Rochester?
There is no time difference between Portsmouth and Rochester.
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Greater Rochester International Airport (ROC)
On average, flying from Portsmouth to Rochester generates about 76 kg of CO2 per passenger, and 76 kilograms equals 168 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 Rochester
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Greater Rochester International Airport (ROC).
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 | Greater Rochester International Airport |
|---|---|
| City: | Rochester, NY |
| Country: | United States |
| IATA Code: | ROC |
| ICAO Code: | KROC |
| Coordinates: | 43°7′8″N, 77°40′20″W |