Map of flight path and driving directions from Chicago to Paducah.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Barkley Regional Airport (PAH).
How far is Paducah from Chicago?
There are several ways to calculate distances between Chicago and Paducah. Here are two common methods:Vincenty's formula (applied above)
- 342.426 miles
- 551.082 kilometers
- 297.560 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
- 342.924 miles
- 551.883 kilometers
- 297.993 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
There is no time difference between Chicago and Paducah.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 75 kg (166 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Paducah (PAH).