Not all manual are the same, this is what it says for both my car, my motorcycle manual only has one schedule maintenance:
Those pictures comes from the service manual of my 2013 Mazda CX-5: On this one you can see 3 different maintenance schedule, General, Russia/Belarus/Azerbaijan, and Australia.
On this one you can see that the oil change interval is 10000 kilometers or 6 250 miles:
This one is the recommendation based on where you drive:
For some reason my 2005 honda civic manual refuses to work properly:
This shows you the different maintenance schedule available:
This is the normal conditions maintenance schedule, oil change every 10 000km:
This shows you the severe condition schedules, you can find the describtion of it somewhere but like I said, my manual refuses to work properly. Calls for oil change every 5000km, so half the life of the normal condition: