Air Miles Calculator

Distance between Honolulu, HI (HNL) and Decatur, IL (DEC)

Flight distance from Honolulu to Decatur (Honolulu Daniel K. Inouye International Airport – Decatur Airport) is 4204 miles / 6766 kilometers / 3653 nautical miles. Estimated flight time is 8 hours 27 minutes.

Map of flight path from Honolulu to Decatur.

Shortest flight path between Honolulu Daniel K. Inouye International Airport (HNL) and Decatur Airport (DEC).

How far is Decatur from Honolulu?

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

Vincenty's formula (applied above)
  • 4203.951 miles
  • 6765.603 kilometers
  • 3653.133 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
  • 4197.582 miles
  • 6755.353 kilometers
  • 3647.599 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 Flag of United States
IATA Code: HNL
ICAO Code: PHNL
Coordinates: 21°19′7″N, 157°55′19″W

B Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″W

Time difference and current local times

The time difference between Honolulu and Decatur is 4 hours. Decatur is 4 hours ahead of Honolulu.

Time Difference

Honolulu, HI

 HST

Decatur, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 482 kg (1 062 pounds).

Frequent Flyer Miles Calculator

Honolulu (HNL) → Decatur (DEC).

Distance:
4204
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
4204

Round trip?