Miles between Round Rock, TX and Spencer, IA

There are
976 mi
from Round Rock, TX to Spencer, IA

That's the driving distance. It would take 17 hours 57 mins to go from Round Rock, Texas to Spencer, Iowa.

The flight distance (direct flight from Round Rock, TX to Spencer, IA) is 884.18 mi.

976 mi = 1,570.23 kms