How far is Ontario, CA, from Unalaska, AK?

The distance between Unalaska (Unalaska Airport) and Ontario (Ontario International Airport) is 2725 miles / 4385 kilometers / 2368 nautical miles.

Distance from Unalaska to Ontario

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

Vincenty's formula (applied above)

• 2725.007 miles
• 4385.473 kilometers
• 2367.966 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

• 2720.033 miles
• 4377.469 kilometers
• 2363.644 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 Unalaska to Ontario?

The estimated flight time from Unalaska Airport to Ontario International Airport is 5 hours and 39 minutes.

What is the time difference between Unalaska and Ontario?

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

Flight carbon footprint between Unalaska Airport (DUT) and Ontario International Airport (ONT)

On average, flying from Unalaska to Ontario generates about 302 kg of CO2 per passenger, and 302 kilograms equals 665 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Unalaska to Ontario

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

Airport information

Origin	Unalaska Airport
City:	Unalaska, AK
Country:	United States
IATA Code:	DUT
ICAO Code:	PADU
Coordinates:	53°54′0″N, 166°32′38″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