How far is Redmond, OR, from Ontario, CA?

The distance between Ontario (Ontario International Airport) and Redmond (Roberts Field) is 729 miles / 1173 kilometers / 633 nautical miles.

The driving distance from Ontario (ONT) to Redmond (RDM) is 873 miles / 1405 kilometers, and travel time by car is about 16 hours 31 minutes.

Distance from Ontario to Redmond

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

Vincenty's formula (applied above)

• 728.672 miles
• 1172.684 kilometers
• 633.199 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

• 729.628 miles
• 1174.223 kilometers
• 634.030 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 Ontario to Redmond?

The estimated flight time from Ontario International Airport to Roberts Field is 1 hour and 52 minutes.

What is the time difference between Ontario and Redmond?

There is no time difference between Ontario and Redmond.

Flight carbon footprint between Ontario International Airport (ONT) and Roberts Field (RDM)

On average, flying from Ontario to Redmond generates about 128 kg of CO2 per passenger, and 128 kilograms equals 282 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Ontario to Redmond

See the map of the shortest flight path between Ontario International Airport (ONT) and Roberts Field (RDM).

Airport information

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

Destination	Roberts Field
City:	Redmond, OR
Country:	United States
IATA Code:	RDM
ICAO Code:	KRDM
Coordinates:	44°15′14″N, 121°9′0″W