Map of flight path and driving directions from Chicago to Lebanon.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Lebanon Municipal Airport (New Hampshire) (LEB).
How far is Lebanon from Chicago?
There are several ways to calculate distances between Chicago and Lebanon. Here are two common methods:Vincenty's formula (applied above)
- 799.861 miles
- 1287.251 kilometers
- 695.060 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
- 797.790 miles
- 1283.918 kilometers
- 693.260 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 Lebanon is 1 hour. Lebanon is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 135 kg (297 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Lebanon (LEB).