To simplify your task: if you already have verified account in bittrex then withdraw your bitcoin for your coinbase and coinbase wallet for your bank account

You can also use neteller and skrill (add your Visa card to your skrill account)
create an account in neteller and skrill (add your Visa card to your skrill account)
deposit bitcoin into your neteller account and then transfer neteller money to your skrill account and withdraw money from your skrill account into your bank account