The world is not paved with smooth stones. Terrain is categorized by difficulty, which slows movement and increases the chance of random encounters ( hexploration).
The Pathfinder 2e Travel Guide PDF is a treasure trove of information, featuring: pathfinder 2e travel guide pdf
The guide is available in multiple formats to suit different playstyles: The world is not paved with smooth stones
While mostly lore-heavy, there are a few "interesting" mechanics that reviewers point out for GMs: pathfinder 2e travel guide pdf
Assign every player a role (Scout, Search, or Defend) to gain mechanical benefits during travel.