Books like Roman History
Cassius Dio Cocceianus
Roman History is 348 pages, about 6 hours 23 minutes at 250 words a minute.
12 books to read next
How long each takes
The Annals of Tacitus 8.0 h 
The Histories 6.8 h 
Cato 1.3 h 
Marcus Aurelius 12.5 h 
Caligula 6.6 h 
The Emperor 3.0 h 
The Lives Of The Twelve Caesars 5.8 h 
Historiae Philippicae 6.2 h 
Cornelius Nepos 4.8 h 
Dynasty 9.6 h 
The Secret History 2.8 h 
The Civil War 4.7 h Bar height shows length. Estimated at 250 words a minute.