Miles between Round Rock, TX and Tomball, TX

There are
142 mi
from Round Rock, TX to Tomball, TX

That's the driving distance. It would take 2 hours 55 mins to go from Round Rock, Texas to Tomball, Texas.

The flight distance (direct flight from Round Rock, TX to Tomball, TX) is 126.29 mi.

142 mi = 228.08 kms