There are
1,058 mi
from Upland, CA to Bozeman, MT
That's the driving distance. It would take 18 hours 42 mins to go from Upland, California to Bozeman, Montana.
The flight distance (direct flight from Upland, CA to Bozeman, MT) is 872.82 mi.
1,058 mi = 1.61 kms