Look up per diem reimbursement rates and mileage deductions for business travel worldwide.

Complete
Ireland → Cleveland, Cuyahoga County, Ohio, United States
Item Name Destination Amount Conditions
Meal & Lodging Cleveland, USA 112.5 USD per night Paid in addition to the vouched cost of room; the amount shown is the supplement covering remaining meals and expenses for a 24-hour absence abroad on official business.
Vouched Accommodation (VA) Rate Cleveland, USA 112.5 USD per night Vouched Accommodation (VA) rate: paid in addition to the vouched cost of accommodation. Per Note 2 of Circular 07/2017 the VA rate should not be routinely used except for travel to Brussels, where the vouched cost of room plus the VA rate applies to all officers on overnight visits.
Daily allowance Cleveland, USA 75 USD per day Ten-hour rate: applies to an absence abroad of ten hours or more without an overnight stay.
Daily allowance Cleveland, USA 37.5 USD per day Five-hour rate: applies to an absence abroad of between five and ten hours.

Source URL:
https://www.revenue.ie/en/employing-people/documents/dper-circular-07-2017-subsistence-allowances-abroad.pdf
This source provides official travel rate information from revenue.ie.