There are
1,588 mi
from Simi Valley, CA to Texarkana, AR
That's the driving distance. It would take 1 day 4 hours to go from Simi Valley, California to Texarkana, Arkansas.
The flight distance (direct flight from Simi Valley, CA to Texarkana, AR) is 1,417.38 mi.
1,588 mi = 1.61 kms