# 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
IATA Code: HNL
ICAO Code: PHNL
Coordinates: 21°19′7″N, 157°55′19″W

B Decatur Airport
City: Decatur, IL
Country: 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.

HST

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?