# Distance between Honolulu, HI (HNL) and New Plymouth (NPL)

Flight distance from Honolulu to New Plymouth (Honolulu Daniel K. Inouye International Airport – New Plymouth Airport) is 4526 miles / 7284 kilometers / 3933 nautical miles. Estimated flight time is 9 hours 4 minutes.

## Map of flight path from Honolulu to New Plymouth.

Shortest flight path between Honolulu Daniel K. Inouye International Airport (HNL) and New Plymouth Airport (NPL).

## How far is New Plymouth from Honolulu?

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

Vincenty's formula (applied above)
• 4525.844 miles
• 7283.640 kilometers
• 3932.851 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
• 4542.058 miles
• 7309.734 kilometers
• 3946.941 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 New Plymouth Airport
City: New Plymouth
Country: New Zealand
IATA Code: NPL
ICAO Code: NZNP
Coordinates: 39°0′30″S, 174°10′44″E

## Time difference and current local times

The time difference between Honolulu and New Plymouth is 23 hours. New Plymouth is 23 hours ahead of Honolulu.

HST

NZDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 523 kg (1 152 pounds).

## Frequent Flyer Miles Calculator

Honolulu (HNL) → New Plymouth (NPL).

Distance:
4526
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
4526

Round trip?