There are
2,248 mi
from Pasadena, CA to Westerville, OH
That's the driving distance. It would take 1 day 15 hours to go from Pasadena, California to Westerville, Ohio.
The flight distance (direct flight from Pasadena, CA to Westerville, OH) is 1,969.72 mi.
2,248 mi = 3,617.22 kms