Air Miles Calculator

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 Flag of 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 Flag of 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 2 hours. Kona is 2 hours behind Redmond.

Time Difference

Redmond, OR

 PST

Kona, HI

 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?