How far is Ontario, CA, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Ontario (Ontario International Airport) is 2573 miles / 4142 kilometers / 2236 nautical miles.
The driving distance from Portsmouth (PSM) to Ontario (ONT) is 3007 miles / 4839 kilometers, and travel time by car is about 53 hours 59 minutes.
Portsmouth International Airport at Pease – Ontario International Airport
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Distance from Portsmouth to Ontario
There are several ways to calculate the distance from Portsmouth to Ontario. 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 Portsmouth to Ontario?
The estimated flight time from Portsmouth International Airport at Pease to Ontario International Airport is 5 hours and 22 minutes.
What is the time difference between Portsmouth and Ontario?
The time difference between Portsmouth and Ontario is 3 hours. Ontario is 3 hours behind Portsmouth.
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Ontario International Airport (ONT)
On average, flying from Portsmouth to Ontario 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 Portsmouth to Ontario
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Ontario International Airport (ONT).
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 | Ontario International Airport |
|---|---|
| City: | Ontario, CA |
| Country: | United States |
| IATA Code: | ONT |
| ICAO Code: | KONT |
| Coordinates: | 34°3′21″N, 117°36′3″W |