I am going to use my GYH (O) claim and I am going by ferry. I have worked out the total cost of this journey, but I also have to work out the total cost of a flight including return mileage from my quarter to the airport this side and the airport at the other end to my permanent leave address in order to claim the lowest total cost journey. However I am not sure which airports to use in the calculation. Is it the closest airports to my quarter and home, which are Hannover and Glasgow, but don't have a direct flight between them or is it the closest airports which have a direct flight which would be Bremen and Edinburgh. Any advice would be appreciated, I would normally just ask my units clerk but I am away from my unit and dont have access to a phone during their working hours.