Of course he wants you to stay in communication. You're his backup plan.
I am sorry. Truly, I am. But you're both avoiding one huge truth, which is that you could both use counseling. This is not you two talking things out; it is working your feelings out with an impartial professional. You've been through abuse; you've both been through abandonment. You both seem to have massive self-esteem issues. You can't love this stuff away, and you can't play junior therapist with each other and expect it'll work perfectly. It won't.
He is leaving without you. That much is obvious. Unless he pulls out an eleventh-hour "I want you to come with me" out of his ass, then that's his intention. And even if he were to say that, it would undercut your plans and thrust you into a new living situation where you would be uncomfortably dependent upon him for everything. We had seen people (often women, though not always) who follow a BF or spouse, etc. to a foreign country where they know no one. Inevitably, the following relationship partner is miserable unless they can find something to do, and people to be their friends (who are not pals with their partners first), and fast.
You don't sound like that kind of a person, who can drop everything cheerfully, make friends quickly, and smile all the way. And it's unfair for anyone to expect you to be.
He's saying goodbye. And he thinks either he's being kind and "letting you down easy" or, like I said above, he's using you as his port in a storm, where he can tell women he's not interested in that he has a girlfriend and he can come crying to you if any woman overseas breaks up with him. And he figures he can stay at your place for free and get sex.
Don't allow yourself to be used like this.