Gsa Per Diem Rates 2024 Mileage. For 2024, the gsa has updated its mileage reimbursement rates, a critical figure for many businesses and employees who use their owned automobile for work. Washington — today, the u.s.

Cities not appearing below may be. You can use this mileage reimbursement calculator to determine the deductible costs associated with running a vehicle for medical, charitable, business, or moving.