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

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

The driving distance from Redmond (RDM) to Ontario (ONT) is 872 miles / 1404 kilometers, and travel time by car is about 16 hours 28 minutes.

Roberts Field – Ontario International Airport

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729
Miles
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1173
Kilometers
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633
Nautical miles

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Distance from Redmond to Ontario

There are several ways to calculate the distance from Redmond to Ontario. 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 Redmond to Ontario?

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

What is the time difference between Redmond and Ontario?

There is no time difference between Redmond and Ontario.

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

On average, flying from Redmond to Ontario 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 Redmond to Ontario

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

Airport information

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