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).
|A||Honolulu Daniel K. Inouye International Airport|
|B||Chicago Rockford International Airport|
Time difference and current local times
The time difference between Honolulu and Rockford is 4 hours. Rockford is 4 hours ahead of Honolulu.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 479 kg (1 056 pounds).
Frequent Flyer Miles Calculator
Honolulu (HNL) → Rockford (RFD).