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).
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.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 523 kg (1 152 pounds).
Frequent Flyer Miles Calculator
Honolulu (HNL) → New Plymouth (NPL).