National Express operate direct services between Aslackby and Market Deeping Aslackby to Market Deeping is a distance of 13 miles (20 kilometres). National Express operate 1 direct buses per day. The fastest journey each day takes 0hrs 25mins. 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!