Miles between Round Rock, TX and Casper, WY

There are
1,173 mi
from Round Rock, TX to Casper, WY

That's the driving distance. It would take 21 hours 5 mins to go from Round Rock, Texas to Casper, Wyoming.

The flight distance (direct flight from Round Rock, TX to Casper, WY) is 977.46 mi.

1,173 mi = 1.61 kms