How far is Seattle, WA, from Ontario, CA?
The distance between Ontario (Ontario International Airport) and Seattle (Seattle Boeing Field) is 961 miles / 1547 kilometers / 835 nautical miles.
The driving distance from Ontario (ONT) to Seattle (BFI) is 1166 miles / 1877 kilometers, and travel time by car is about 22 hours 4 minutes.
Ontario International Airport – Seattle Boeing Field
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Distance from Ontario to Seattle
There are several ways to calculate the distance from Ontario to Seattle. Here are two standard methods:
Vincenty's formula (applied above)- 961.405 miles
- 1547.231 kilometers
- 835.438 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- 962.416 miles
- 1548.859 kilometers
- 836.317 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 Seattle?
The estimated flight time from Ontario International Airport to Seattle Boeing Field is 2 hours and 19 minutes.
What is the time difference between Ontario and Seattle?
Flight carbon footprint between Ontario International Airport (ONT) and Seattle Boeing Field (BFI)
On average, flying from Ontario to Seattle generates about 148 kg of CO2 per passenger, and 148 kilograms equals 327 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 Seattle
See the map of the shortest flight path between Ontario International Airport (ONT) and Seattle Boeing Field (BFI).
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 | Seattle Boeing Field |
|---|---|
| City: | Seattle, WA |
| Country: | United States |
| IATA Code: | BFI |
| ICAO Code: | KBFI |
| Coordinates: | 47°31′47″N, 122°18′7″W |