How far is Ontario, CA, from Kona, HI?

The distance between Kona (Kona International Airport) and Ontario (Ontario International Airport) is 2551 miles / 4105 kilometers / 2217 nautical miles.

Distance from Kona to Ontario

There are several ways to calculate the distance from Kona to Ontario. Here are two standard methods:

Vincenty's formula (applied above)

• 2550.811 miles
• 4105.132 kilometers
• 2216.594 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula

• 2548.240 miles
• 4100.995 kilometers
• 2214.360 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).

How long does it take to fly from Kona to Ontario?

The estimated flight time from Kona International Airport to Ontario International Airport is 5 hours and 19 minutes.

What is the time difference between Kona and Ontario?

The time difference between Kona and Ontario is 2 hours. Ontario is 2 hours ahead of Kona.

Flight carbon footprint between Kona International Airport (KOA) and Ontario International Airport (ONT)

On average, flying from Kona to Ontario generates about 281 kg of CO2 per passenger, and 281 kilograms equals 620 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Kona to Ontario

See the map of the shortest flight path between Kona International Airport (KOA) and Ontario International Airport (ONT).

Airport information

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

Destination	Ontario International Airport
City:	Ontario, CA
Country:	United States
IATA Code:	ONT
ICAO Code:	KONT
Coordinates:	34°3′21″N, 117°36′3″W