How far is Portsmouth, NH, from Ontario, CA?
The distance between Ontario (Ontario International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 2573 miles / 4142 kilometers / 2236 nautical miles.
The driving distance from Ontario (ONT) to Portsmouth (PSM) is 3010 miles / 4844 kilometers, and travel time by car is about 54 hours 7 minutes.
Ontario International Airport – Portsmouth International Airport at Pease
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Distance from Ontario to Portsmouth
There are several ways to calculate the distance from Ontario to Portsmouth. Here are two standard methods:
Vincenty's formula (applied above)- 2573.416 miles
- 4141.512 kilometers
- 2236.238 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- 2567.828 miles
- 4132.518 kilometers
- 2231.381 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 Ontario to Portsmouth?
The estimated flight time from Ontario International Airport to Portsmouth International Airport at Pease is 5 hours and 22 minutes.
What is the time difference between Ontario and Portsmouth?
Flight carbon footprint between Ontario International Airport (ONT) and Portsmouth International Airport at Pease (PSM)
On average, flying from Ontario to Portsmouth generates about 284 kg of CO2 per passenger, and 284 kilograms equals 626 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Ontario to Portsmouth
See the map of the shortest flight path between Ontario International Airport (ONT) and Portsmouth International Airport at Pease (PSM).
Airport information
| Origin | Ontario International Airport |
|---|---|
| City: | Ontario, CA |
| Country: | United States  |
| IATA Code: | ONT |
| ICAO Code: | KONT |
| Coordinates: | 34°3′21″N, 117°36′3″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 |