As far as I know, you can withdraw those currencies from most of the major exchanges, including Bitstamp; Coinbase and GDAX; and a pretty large selection of others.
Some exchanges (notably Bitfinex) are finding it hard to deal with US customers due to US hostility to some foreign companies like BTC-e, in which case you could just take a SEPA transfer when you're in Europe.
okay thank you for pointing out and the answer, i hope this board restore its activity.
so regardless of where i am ...these sites will deal with major currencies .
if some poster can lead me to the right direction ,what's possibly the best exchange that would work in the middle-east with this advantage?