Match the window before the distance.
Plan around an existing central-belt journey and say which end is convenient; avoid implying that every Glasgow district is equally reachable.
Starting around Glasgow
At the Glasgow end, use “Central-belt travel can work around weekdays but should not be presented as instant proximity.” as a scheduling prompt rather than a claim that the whole route is local.
Planning around Stirling
At the Stirling end, plan around an existing central-belt journey and say which end is convenient; avoid implying that every Glasgow district is equally reachable.
Compare both local pages
Treat each town as a separate local context, then use the overlap planner rather than assuming the full route is convenient at every time of day.