# Distance between Redmond, OR (RDM) and Kona, HI (KOA)

Flight distance from Redmond to Kona (Roberts Field – Kona International Airport) is 2622 miles / 4219 kilometers / 2278 nautical miles. Estimated flight time is 5 hours 27 minutes.

## Map of flight path from Redmond to Kona.

Shortest flight path between Roberts Field (RDM) and Kona International Airport (KOA).

## How far is Kona from Redmond?

There are several ways to calculate distances between Redmond and Kona. Here are two common methods:

Vincenty's formula (applied above)
• 2621.748 miles
• 4219.294 kilometers
• 2278.237 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
• 2621.567 miles
• 4219.003 kilometers
• 2278.079 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 Roberts Field
City: Redmond, OR
Country: United States
IATA Code: RDM
ICAO Code: KRDM
Coordinates: 44°15′14″N, 121°9′0″W

B Kona International Airport
City: Kona, HI
Country: United States
IATA Code: KOA
ICAO Code: PHKO
Coordinates: 19°44′19″N, 156°2′45″W

## Time difference and current local times

The time difference between Redmond and Kona is 3 hours. Kona is 3 hours behind Redmond.

PDT

HST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 289 kg (638 pounds).

## Frequent Flyer Miles Calculator

Redmond (RDM) → Kona (KOA).

Distance:
2622
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
2622

Round trip?