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

Complete
United Kingdom → Port Moresby, PG
Item Name Destination Amount Conditions
Meals Port Moresby, Papua New Guinea 84.5 PGK per day Over 5 hours rate: covers subsistence expenses for a period of more than 5 but less than 10 hours, measured by reference to the times of arrival in and departure from the foreign country.
Meals Port Moresby, Papua New Guinea 209.5 PGK per day Over 10 hours rate: covers subsistence expenses for a period of more than 10 but less than 24 hours, measured by reference to the times of arrival in and departure from the foreign country.
Meals and incidentals Port Moresby, Papua New Guinea 246.5 PGK per day 24 hour rate: covers the total cost of meals and daily hotel-to-office travel for a full 24-hour period.; The actual room rate is paid in addition to this amount (source shows the rate as 'plus room rate').
Lodging Port Moresby, Papua New Guinea 719 PGK per night No specific conditions
Breakfast Port Moresby, Papua New Guinea 0 PGK per meal This amount is included in the room rate, so it is not paid separately on top of the lodging rate.
Lunch Port Moresby, Papua New Guinea 70.5 PGK per meal No specific conditions
Dinner Port Moresby, Papua New Guinea 111 PGK per meal No specific conditions
Incidentals Port Moresby, Papua New Guinea 7 PGK per day Source row labelled 'Other': other expenses incurred during the day; employers may use the individual meal and other rates instead of the over 5 hour, over 10 hour and 24 hour rates.
Drinks Port Moresby, Papua New Guinea 28 PGK per day No specific conditions
Transport Port Moresby, Papua New Guinea 30 PGK per day Covers daily travel between the employee's hotel and office.
Total residual Port Moresby, Papua New Guinea 246.5 PGK per day Total residual rate: intended to cover the total cost of meals in a period of 24 hours plus the cost of daily travel between the employee’s hotel and office; the 24 hour rate is the sum of the room rate and this total residual rate.

Source URL:
https://www.gov.uk/guidance/expenses-rates-for-employees-travelling-outside-the-uk
This source provides official travel rate information from gov.uk.