Maps (either of the portolani variation (which laid out the ports for seafarers) or the O-T kind (stylised world maps with Jerusalem at the centre of the world)) were not exactly accessible to the masses of pilgrims.

Topographic knowledge of the world was simply not necessary for the most part, as you would travel from city to city along established routes, rather than map out the quickest road. Especially for pilgrims, there would be established paths from shrine to shrine (i.e. Kleve - Köln - Konstanz). In the later middle ages, there are even types of 'pilgrim manuals' being written which lay out the different approaches to Jerusalem.

Two (English) examples are Margery Kempe and John Mandeville. The first traveled with a special pilgrimage company from England to Rome, the second described different roads (over sea, over land) to Jerusalem.