How far is Portland, ME, from Ontario, CA?
The distance between Ontario (Ontario International Airport) and Portland (Portland International Jetport) is 2598 miles / 4181 kilometers / 2258 nautical miles.
The driving distance from Ontario (ONT) to Portland (PWM) is 3053 miles / 4913 kilometers, and travel time by car is about 54 hours 47 minutes.
Ontario International Airport – Portland International Jetport
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Distance from Ontario to Portland
There are several ways to calculate the distance from Ontario to Portland. Here are two standard methods:
Vincenty's formula (applied above)- 2597.995 miles
- 4181.068 kilometers
- 2257.596 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- 2592.375 miles
- 4172.023 kilometers
- 2252.712 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 Portland?
The estimated flight time from Ontario International Airport to Portland International Jetport is 5 hours and 25 minutes.
What is the time difference between Ontario and Portland?
The time difference between Ontario and Portland is 3 hours. Portland is 3 hours ahead of Ontario.
Flight carbon footprint between Ontario International Airport (ONT) and Portland International Jetport (PWM)
On average, flying from Ontario to Portland generates about 287 kg of CO2 per passenger, and 287 kilograms equals 632 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 Portland
See the map of the shortest flight path between Ontario International Airport (ONT) and Portland International Jetport (PWM).
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 | Portland International Jetport |
|---|---|
| City: | Portland, ME |
| Country: | United States |
| IATA Code: | PWM |
| ICAO Code: | KPWM |
| Coordinates: | 43°38′46″N, 70°18′33″W |