Distance between Seattle, WA (BFI) and Dayton, OH (DAY)
Flight distance from Seattle to Dayton (Seattle Boeing Field – Dayton International Airport) is 1957 miles / 3149 kilometers / 1700 nautical miles. Estimated flight time is 4 hours 12 minutes.
Driving distance from Seattle (BFI) to Dayton (DAY) is 2376 miles / 3823 kilometers and travel time by car is about 39 hours 10 minutes.
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Seattle - Dayton
Map of flight path and driving directions from Seattle to Dayton.
Shortest flight path between Seattle Boeing Field (BFI) and Dayton International Airport (DAY).
How far is Dayton from Seattle?
There are several ways to calculate distances between Seattle and Dayton. Here are two common methods:
Vincenty's formula (applied above)- 1956.731 miles
- 3149.053 kilometers
- 1700.353 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.
Haversine formula- 1951.925 miles
- 3141.319 kilometers
- 1696.177 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).
Airport information
| A | Seattle Boeing Field |
|---|---|
| City: | Seattle, WA |
| Country: | United States  |
| IATA Code: | BFI |
| ICAO Code: | KBFI |
| Coordinates: | 47°31′47″N, 122°18′7″W |
| B | Dayton International Airport |
|---|---|
| City: | Dayton, OH |
| Country: | United States |
| IATA Code: | DAY |
| ICAO Code: | KDAY |
| Coordinates: | 39°54′8″N, 84°13′9″W |
Time difference and current local times
The time difference between Seattle and Dayton is 3 hours. Dayton is 3 hours ahead of Seattle.
Time Difference
Seattle, WA
Dayton, OH
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 214 kg (471 pounds).
Frequent Flyer Miles Calculator
Seattle (BFI) → Dayton (DAY).
In total
Round trip?