Miles between Round Rock, TX and Ontario, OR

There are
1,666 mi
from Round Rock, TX to Ontario, OR

That's the driving distance. It would take 1 day 6 hours to go from Round Rock, Texas to Ontario, Oregon.

The flight distance (direct flight from Round Rock, TX to Ontario, OR) is 1,406.59 mi.

1,666 mi = 1.61 kms