# Distance between Honolulu, HI (HNL) and Carlsbad, NM (CNM)

Flight distance from Honolulu to Carlsbad (Honolulu Daniel K. Inouye International Airport – Cavern City Air Terminal) is 3365 miles / 5416 kilometers / 2924 nautical miles. Estimated flight time is 6 hours 52 minutes.

## Map of flight path from Honolulu to Carlsbad.

Shortest flight path between Honolulu Daniel K. Inouye International Airport (HNL) and Cavern City Air Terminal (CNM).

## How far is Carlsbad from Honolulu?

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

Vincenty's formula (applied above)
• 3365.282 miles
• 5415.896 kilometers
• 2924.350 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
• 3360.149 miles
• 5407.636 kilometers
• 2919.890 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 Cavern City Air Terminal
Country: United States
IATA Code: CNM
ICAO Code: KCNM
Coordinates: 32°20′15″N, 104°15′46″W

## Time difference and current local times

The time difference between Honolulu and Carlsbad is 3 hours. Carlsbad is 3 hours ahead of Honolulu.

HST

MST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 378 kg (834 pounds).

## Frequent Flyer Miles Calculator

Distance:
3365
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
3365

Round trip?