After you file

Yes you can efile from Turbo Tax.  Say you will mail a check for the tax due.  Then you can pay however you want.

 

How to pay a tax due

https://ttlc.intuit.com/community/tax-payments/help/how-can-i-pay-my-federal-taxes/00/26212

 

You can pay the IRS directly at

https://www.irs.gov/payments