# Distance between Honolulu, HI (HNL) and Reading, PA (RDG)

Flight distance from Honolulu to Reading (Honolulu Daniel K. Inouye International Airport – Reading Regional Airport) is 4875 miles / 7845 kilometers / 4236 nautical miles. Estimated flight time is 9 hours 43 minutes.

## Map of flight path from Honolulu to Reading.

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

## How far is Reading from Honolulu?

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

Vincenty's formula (applied above)
• 4874.714 miles
• 7845.092 kilometers
• 4236.011 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
• 4866.838 miles
• 7832.416 kilometers
• 4229.166 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 Reading Regional Airport
Country: United States
IATA Code: RDG
ICAO Code: KRDG
Coordinates: 40°22′42″N, 75°57′54″W

## Time difference and current local times

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

HST

EST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 568 kg (1 251 pounds).

## Frequent Flyer Miles Calculator

Honolulu (HNL) → Reading (RDG).

Distance:
4875
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
4875

Round trip?