There are
1,367 mi
from San Marcos, CA to Lexington, NE
That's the driving distance. It would take 23 hours 44 mins to go from San Marcos, California to Lexington, Nebraska.
The flight distance (direct flight from San Marcos, CA to Lexington, NE) is 1,094.21 mi.
1,367 mi = 1.61 kms