Air Miles Calculator

Distance between Seattle, WA (BFI) and Wilmington, DE (ILG)

Flight distance from Seattle to Wilmington (Seattle Boeing Field – Wilmington Airport (Delaware)) is 2367 miles / 3809 kilometers / 2057 nautical miles. Estimated flight time is 4 hours 58 minutes.

Driving distance from Seattle (BFI) to Wilmington (ILG) is 2858 miles / 4600 kilometers and travel time by car is about 47 hours 17 minutes.

Map of flight path and driving directions from Seattle to Wilmington.

Shortest flight path between Seattle Boeing Field (BFI) and Wilmington Airport (Delaware) (ILG).

How far is Wilmington from Seattle?

There are several ways to calculate distances between Seattle and Wilmington. Here are two common methods:

Vincenty's formula (applied above)
  • 2366.793 miles
  • 3808.984 kilometers
  • 2056.687 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
  • 2360.834 miles
  • 3799.393 kilometers
  • 2051.508 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 Wilmington Airport (Delaware)
City: Wilmington, DE
Country: United States Flag of United States
IATA Code: ILG
ICAO Code: KILG
Coordinates: 39°40′43″N, 75°36′23″W

Time difference and current local times

The time difference between Seattle and Wilmington is 3 hours. Wilmington is 3 hours ahead of Seattle.

Time Difference

Seattle, WA

 PST

Wilmington, DE

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 260 kg (572 pounds).

Frequent Flyer Miles Calculator

Seattle (BFI) → Wilmington (ILG).

Distance:
2367
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2367

Round trip?