Air Miles Calculator

Distance between Memphis, TN (MEM) and Rockford, IL (RFD)

Distance from Memphis to Rockford (Memphis International Airport – Chicago Rockford International Airport) is 496 miles / 798 kilometers / 431 nautical miles.

How far is Rockford from Memphis?

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

Vincenty's formula (applied above)
  • 495.678 miles
  • 797.716 kilometers
  • 430.732 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
  • 496.492 miles
  • 799.026 kilometers
  • 431.440 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 Memphis International Airport (MEM) to Chicago Rockford International Airport (RFD) is 1 hour 26 minutes.

Time difference and current local times

There is no time difference between Memphis and Rockford.

Time Difference

Memphis
Rockford

Memphis, TN

 CDT

Rockford, IL

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 98 kg (217 pounds).

Airport information


A 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

B Chicago Rockford International Airport
City: Rockford, IL
Country: United States Flag of United States
IATA Code: RFD
ICAO Code: KRFD
Coordinates: 42°11′43″N, 89°5′49″W

Memphis to Rockford flight path

Shortest flight path between Memphis International Airport (MEM) and Chicago Rockford International Airport (RFD).

Frequent Flyer Miles Calculator

Memphis (MEM) → Rockford (RFD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
496
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
496

Round trip?