I am unable to efile. What address do I send my federal, Hawaii state, and California state tax returns to?

If you followed the procedure to print your tax returns for maiingl as shown in the following TurboTax support FAQ, there will be Filing Instructions for each tax return with the address on where to mail plus what forms and schedules are to be included with each tax return when the tax returns were printed - https://ttlc.intuit.com/community/printing/help/how-do-i-print-and-mail-my-return-in-turbotax-online/01/26258

If the Filing Instructions were not included in your printout then use this procedure -

To access your current or prior year online tax returns sign onto the TurboTax website with the userID you used to create the account - https://myturbotax.intuit.com/

When you sign onto your online account and land on the Tax Home web page, scroll down and click on Add a state. 

This will take you back to the 2019 online tax return.

Click on Tax Tools on the left side of the online program screen.  Then click on Print Center.  Then click on Print, save or preview this year's return.