Map of flight path and driving directions from Chicago to Wilmington.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Wilmington International Airport (ILM).
How far is Wilmington from Chicago?
There are several ways to calculate distances between Chicago and Wilmington. Here are two common methods:Vincenty's formula (applied above)
- 760.296 miles
- 1223.578 kilometers
- 660.679 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
- 760.025 miles
- 1223.142 kilometers
- 660.444 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).
Time difference and current local times
The time difference between Chicago and Wilmington is 1 hour. Wilmington is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 131 kg (289 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Wilmington (ILM).