Flying distance from Pendleton to Challis = Miles
Flying distance, or straight line distance between Pendleton, Oregon and Challis, Idaho is miles. Estimated flight duration time for this hypothetical flight would be around , assuming an average flight speed of 560 Miles per hour.
If you get on a plane leaving right now from Pendleton, Oregon (departure: - local time) your arrival time would be in Challis, Idaho.
If you prefer to travel by car you can calculate driving distance, and get detailed driving directions here.