Miles between Detroit, MI and San Marcos, TX

There are
1,392 mi
from Detroit, MI to San Marcos, TX

That's the driving distance. It would take 1 day 1 hour to go from Detroit, Michigan to San Marcos, Texas.

The flight distance (direct flight from Detroit, MI to San Marcos, TX) is 1,192.76 mi.

1,392 mi = 1.61 kms