Books like The Road to Mecca
Muhammad Asad
The Road to Mecca is 381 pages, about 6 hours 59 minutes at 250 words a minute.
10 books to read next
How long each takes
Even Angels Ask 4.2 h 
If the Oceans Were Ink 6.2 h 
Muhammad 5.3 h 
Muhammad 6.6 h 
Infidel 6.5 h 
Muhammad at Mecca 3.5 h 
REVELATION: The Story Of Muhammad 8.1 h 
The First Muslim 6.2 h 
The Prophet Muhammad 4.7 h 
Joseph Anton 11.9 h Bar height shows length. Estimated at 250 words a minute.