# Distance between Honolulu, HI (HNL) and Rockford, IL (RFD)

Flight distance from Honolulu to Rockford (Honolulu Daniel K. Inouye International Airport – Chicago Rockford International Airport) is 4181 miles / 6729 kilometers / 3634 nautical miles. Estimated flight time is 8 hours 25 minutes.

## Map of flight path from Honolulu to Rockford.

Shortest flight path between Honolulu Daniel K. Inouye International Airport (HNL) and Chicago Rockford International Airport (RFD).

## How far is Rockford from Honolulu?

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

Vincenty's formula (applied above)
• 4181.409 miles
• 6729.326 kilometers
• 3633.545 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
• 4175.311 miles
• 6719.511 kilometers
• 3628.246 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 Honolulu Daniel K. Inouye International Airport
City: Honolulu, HI
Country: United States
IATA Code: HNL
ICAO Code: PHNL
Coordinates: 21°19′7″N, 157°55′19″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 Honolulu and Rockford is 5 hours. Rockford is 5 hours ahead of Honolulu.

HST

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 479 kg (1 056 pounds).

## Frequent Flyer Miles Calculator

Honolulu (HNL) → Rockford (RFD).

Distance:
4181
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
4181

Round trip?