# 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
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.

PST

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?