Air Miles Calculator

Distance between Washington D.C. (IAD) and Wilmington, NC (ILM)

Flight distance from Washington D.C. to Wilmington (Washington Dulles International Airport – Wilmington International Airport) is 323 miles / 520 kilometers / 281 nautical miles. Estimated flight time is 1 hour 6 minutes.

Driving distance from Washington D.C. (IAD) to Wilmington (ILM) is 370 miles / 596 kilometers and travel time by car is about 6 hours 46 minutes.

Map of flight path and driving directions from Washington D.C. to Wilmington.

Shortest flight path between Washington Dulles International Airport (IAD) and Wilmington International Airport (ILM).

How far is Wilmington from Washington D.C.?

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

Vincenty's formula (applied above)
  • 323.238 miles
  • 520.201 kilometers
  • 280.886 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
  • 323.884 miles
  • 521.240 kilometers
  • 281.447 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 Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W

B Wilmington International Airport
City: Wilmington, NC
Country: United States Flag of United States
IATA Code: ILM
ICAO Code: KILM
Coordinates: 34°16′14″N, 77°54′9″W

Time difference and current local times

There is no time difference between Washington D.C. and Wilmington.

Time Difference

Washington D.C.

 EST

Wilmington, NC

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 73 kg (160 pounds).

Frequent Flyer Miles Calculator

Washington D.C. (IAD) → Wilmington (ILM).

Distance:
323
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
323

Round trip?