# 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
Coordinates: 38°56′40″N, 77°27′20″W

B Wilmington International Airport
City: Wilmington, NC
Country: 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.

EST

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?