Air Miles Calculator

Distance between Boise, ID (BOI) and Rockford, IL (RFD)

Flight distance from Boise to Rockford (Boise Airport – Chicago Rockford International Airport) is 1374 miles / 2212 kilometers / 1194 nautical miles. Estimated flight time is 3 hours 6 minutes.

Driving distance from Boise (BOI) to Rockford (RFD) is 1636 miles / 2633 kilometers and travel time by car is about 26 hours 13 minutes.

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

Shortest flight path between Boise Airport (BOI) and Chicago Rockford International Airport (RFD).

How far is Rockford from Boise?

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

Vincenty's formula (applied above)
  • 1374.178 miles
  • 2211.525 kilometers
  • 1194.128 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
  • 1370.537 miles
  • 2205.666 kilometers
  • 1190.964 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 Boise Airport
City: Boise, ID
Country: United States Flag of United States
IATA Code: BOI
ICAO Code: KBOI
Coordinates: 43°33′51″N, 116°13′22″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 Boise and Rockford is 1 hour. Rockford is 1 hour ahead of Boise.

Time Difference

Boise, ID

 MST

Rockford, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 172 kg (378 pounds).

Frequent Flyer Miles Calculator

Boise (BOI) → Rockford (RFD).

Distance:
1374
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1374

Round trip?