There are
1,238 mi
from Billings, MT to Glendale, CA
That's the driving distance. It would take 21 hours 49 mins to go from Billings, Montana to Glendale, California.
The flight distance (direct flight from Billings, MT to Glendale, CA) is 954.25 mi.
1,238 mi = 1.61 kms