As others have mentioned there are various exchanges that will allow you to withdraw your bitcoin to fiat, you will need to abide by their KYC - know your customer process which means confirming your identify which might take some time.
You could also use a debit card which you can find loads of information about by searching the forum, with any option you choose there will be fees involved in the conversion.
Verification is the price that I had to pay for using Okpay to withdraw my bitcoin to fiat.
Unfortunately, it is forbidden to withdraw bitcoin to Okpay card. But I hope the situation will change and Okpay will understand that they losing huge profits because of this.