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Calculate distances between locations with MapQuest's distance calculator tool, providing accurate measurements for travel planning.
There are 298.60 miles from Portland to Ontario in southeast direction and 375 miles (603.50 kilometers) by car, following the I-84 E route. Portland and Ontario are 6 hours 17 mins far apart, if you drive non-stop . This is the fastest route from Portland, OR to Ontario, OR. The halfway point is Irrigon, OR.
There are 298.60 miles from Ontario to Portland in northwest direction and 375 miles (603.50 kilometers) by car, following the I-84 W and US-30 route. Ontario and Portland are 6 hours 11 mins far apart, if you drive non-stop .
Travelmath helps you find driving distances based on actual directions for your road trip. You can get the distance between cities, airports, states, countries, or zip codes to figure out the best route to travel to your destination.
With the distance calculator distance.to you can easily determine distances between world-wide locations. Simply enter any desired location into the search function and you will get the shortest distance (air line) between the points, the route (route planner) as well as all important information.
How far is it to drive from Ontario, Oregon to Portland, Oregon? View a map with the driving distance between Ontario, OR and Portland, OR to calculate your road trip mileage.
The distance calculator helps you figure out how far it is to get from Portland, OR to Ontario, OR. It does this by computing the straight line flying distance ("as the crow flies") and the driving distance if the route is drivable.
