National Express operate direct services between Flint The Ship / McDonalds and Greenfield Flint The Ship / McDonalds to Greenfield is a distance of 272 miles (437 kilometres). National Express operate 1 direct buses per day. The fastest journey each day takes 0hrs 8mins. See our route guide and coach timetables below for more details. Doing a search on Coachfairer is the best way to find the fastest journeys by all operators and the cheapest prices!