There are
630 mi
from Las Cruces, NM to Seguin, TX
That's the driving distance. It would take 10 hours 28 mins to go from Las Cruces, New Mexico to Seguin, Texas.
The flight distance (direct flight from Las Cruces, NM to Seguin, TX) is 554.78 mi.
630 mi = 1,013.74 kms