# Distance between Honolulu, HI (HNL) and St Augustine, FL (UST)

Flight distance from Honolulu to St Augustine (Honolulu Daniel K. Inouye International Airport – Northeast Florida Regional Airport) is 4731 miles / 7613 kilometers / 4111 nautical miles. Estimated flight time is 9 hours 27 minutes.

## Map of flight path from Honolulu to St Augustine.

Shortest flight path between Honolulu Daniel K. Inouye International Airport (HNL) and Northeast Florida Regional Airport (UST).

## How far is St Augustine from Honolulu?

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

Vincenty's formula (applied above)
• 4730.721 miles
• 7613.358 kilometers
• 4110.884 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
• 4722.942 miles
• 7600.838 kilometers
• 4104.124 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 Northeast Florida Regional Airport
City: St Augustine, FL
Country: United States
IATA Code: UST
ICAO Code: KSGJ
Coordinates: 29°57′33″N, 81°20′23″W

## Time difference and current local times

The time difference between Honolulu and St Augustine is 6 hours. St Augustine is 6 hours ahead of Honolulu.

HST

EDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 549 kg (1 210 pounds).

## Frequent Flyer Miles Calculator

Honolulu (HNL) → St Augustine (UST).

Distance:
4731
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
4731

Round trip?