Air Miles Calculator

Distance between Kalamazoo, MI (AZO) and Rockford, IL (RFD)

Flight distance from Kalamazoo to Rockford (Kalamazoo/Battle Creek International Airport – Chicago Rockford International Airport) is 182 miles / 293 kilometers / 158 nautical miles. Estimated flight time is 50 minutes.

Driving distance from Kalamazoo (AZO) to Rockford (RFD) is 228 miles / 367 kilometers and travel time by car is about 4 hours 16 minutes.

Map of flight path and driving directions from Kalamazoo to Rockford.

Shortest flight path between Kalamazoo/Battle Creek International Airport (AZO) and Chicago Rockford International Airport (RFD).

How far is Rockford from Kalamazoo?

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

Vincenty's formula (applied above)
  • 181.897 miles
  • 292.734 kilometers
  • 158.064 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
  • 181.419 miles
  • 291.965 kilometers
  • 157.649 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).

Airport information


A Kalamazoo/Battle Creek International Airport
City: Kalamazoo, MI
Country: United States Flag of United States
IATA Code: AZO
ICAO Code: KAZO
Coordinates: 42°14′5″N, 85°33′7″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

Time difference and current local times

The time difference between Kalamazoo and Rockford is 1 hour. Rockford is 1 hour behind Kalamazoo.

Time Difference

Kalamazoo, MI

 EDT

Rockford, IL

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 52 kg (114 pounds).

Frequent Flyer Miles Calculator

Kalamazoo (AZO) → Rockford (RFD).

Distance:
182
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
182

Round trip?