I am a float team member for my job so i work at a different location each day i dont get reimbursted for mileage am i able to use these miles i drive daily as deductions

i am a float team member so each day i work at a different hospital location. am i able to use these miles driven to each place as a deduction? i do not have a home location im a floater so i go everywhere we are not reimbursed for the mileage