From Cambridge train to Peterborough, Railway Station (Rail Station) then bus to Horse Fair Bus Station. 1hrs 39min £32. From Drummer St Bus Station line 9 bus to Chatteris, East Park Street, bus to March, Grays Lane, then bus to Horse Fair Bus Station. 2hrs 54min £5. From Cambridge taxi to Wisbech. 55min £159. From Cambridge drive to Wisbech. 55min £8.