# Distance between Honolulu, HI (HNL) and Watertown, SD (ATY)

Flight distance from Honolulu to Watertown (Honolulu Daniel K. Inouye International Airport – Watertown Regional Airport) is 3779 miles / 6082 kilometers / 3284 nautical miles. Estimated flight time is 7 hours 39 minutes.

## Map of flight path from Honolulu to Watertown.

Shortest flight path between Honolulu Daniel K. Inouye International Airport (HNL) and Watertown Regional Airport (ATY).

## How far is Watertown from Honolulu?

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

Vincenty's formula (applied above)
• 3779.217 miles
• 6082.060 kilometers
• 3284.050 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
• 3774.543 miles
• 6074.539 kilometers
• 3279.989 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 Watertown Regional Airport
City: Watertown, SD
Country: United States
IATA Code: ATY
ICAO Code: KATY
Coordinates: 44°54′50″N, 97°9′16″W

## Time difference and current local times

The time difference between Honolulu and Watertown is 5 hours. Watertown is 5 hours ahead of Honolulu.

HST

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 429 kg (946 pounds).

## Frequent Flyer Miles Calculator

Honolulu (HNL) → Watertown (ATY).

Distance:
3779
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
3779

Round trip?