How far is Ontario, CA, from Seattle, WA?
The distance between Seattle (Seattle Boeing Field) and Ontario (Ontario International Airport) is 961 miles / 1547 kilometers / 835 nautical miles.
The driving distance from Seattle (BFI) to Ontario (ONT) is 1166 miles / 1877 kilometers, and travel time by car is about 22 hours 2 minutes.
Seattle Boeing Field – Ontario International Airport
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Distance from Seattle to Ontario
There are several ways to calculate the distance from Seattle to Ontario. 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 Seattle to Ontario?
The estimated flight time from Seattle Boeing Field to Ontario International Airport is 2 hours and 19 minutes.
What is the time difference between Seattle and Ontario?
Flight carbon footprint between Seattle Boeing Field (BFI) and Ontario International Airport (ONT)
On average, flying from Seattle to Ontario 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 Seattle to Ontario
See the map of the shortest flight path between Seattle Boeing Field (BFI) and Ontario International Airport (ONT).
Airport information
| Origin | Seattle Boeing Field |
|---|---|
| City: | Seattle, WA |
| Country: | United States  |
| IATA Code: | BFI |
| ICAO Code: | KBFI |
| Coordinates: | 47°31′47″N, 122°18′7″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 |