Good in the East Midlands are: Mansfield, Lincoln, Sleaford, Matlock, Bingham, Bulwell, Oakham (it's flat), and I'm struggling to think of more....
Interestingly all 3 East Midlands Cities stations- Derby, Leicester & Nottingham are NOT convenient for their City centres. Nor are Chesterfield, Loughborough, Beeston, Burton on Trent, Long Eaton, Ilkeston, Alfreton, Hucknall, Newark Castle, Newark Northgate, Retford, Worksop, Grantham, Gainsborough Lea Road, Melton Mowbray, Market Harborough, Hinckley, Stamford......