vary from something to something

Run times can vary from 15 minutes to an hour or longer.

The class now varies in size from three to five members.

The training time varies from six months to a year.

Their color varies from green to white, red and black.

Costs vary from $18 for a head to a full figure at $35.

This period of time may vary from one to three months.

Its class size varies from 22 students to over 30.

The number of people killed vary from 23 up to 70.

The size of the team could vary from 20 to 200 players.

This period may vary from a few days to weeks, months, or years.