# 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
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
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.

EDT

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?