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

Complete
United States → Porto, Portugal
Item Name Destination Amount Conditions
Lodging Oporto, Portugal 242 USD per night No specific conditions
Meals and incidentals Oporto, Portugal 129 USD per day No specific conditions

Source URL:
https://allowances.state.gov/web920/per_diem.asp
This source provides official travel rate information from allowances.state.gov.