The best I can say is what everyone else has said. OkCupid is a no-go zone. Many reasons.

Also, if you are trying your luck online by meeting someone in a chatroom or via a forum or something else and it develops from there be genuine. Also, it will be difficult because of the distance, and is not for everyone because of how easily it is to dismiss your partner and cheat on them or not talk to them for weeks at a time.