Air Miles Calculator

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.

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 Flag of 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 Flag of 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

 PST

Dayton, OH

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 214 kg (471 pounds).

Frequent Flyer Miles Calculator

Seattle (BFI) → Dayton (DAY).

Distance:
1957
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1957

Round trip?