Air Miles Calculator

Distance between Chicago, IL (ORD) and Memphis, TN (MEM)

Distance from Chicago to Memphis (O'Hare International Airport – Memphis International Airport) is 491 miles / 791 kilometers / 427 nautical miles.

How far is Memphis from Chicago?

There are several ways to calculate distances between Chicago and Memphis. Here are two common methods:

Vincenty's formula (applied above)
  • 491.387 miles
  • 790.811 kilometers
  • 427.004 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
  • 492.117 miles
  • 791.986 kilometers
  • 427.638 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).

Flight duration

Estimated flight time from O'Hare International Airport (ORD) to Memphis International Airport (MEM) is 1 hour 25 minutes.

Time difference and current local times

There is no time difference between Chicago and Memphis.

Time Difference

Chicago
Memphis

Chicago, IL

 CST

Memphis, TN

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 91 kg (200 pounds).

Airport information


A O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

B Memphis International Airport
City: Memphis, TN
Country: United States Flag of United States
IATA Code: MEM
ICAO Code: KMEM
Coordinates: 35°2′32″N, 89°58′36″W

Map

Chicago to Memphis flight map.

Frequent Flyer Miles Calculator

Chicago (ORD) → Memphis (MEM).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
491
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
491

Round trip?