Miles between Round Rock, TX and Derby, CT

There are
1,795 mi
from Round Rock, TX to Derby, CT

That's the driving distance. It would take 1 day 8 hours to go from Round Rock, Texas to Derby, Connecticut.

The flight distance (direct flight from Round Rock, TX to Derby, CT) is 1,557.85 mi.

1,795 mi = 1.61 kms