Like Puss said, all depends if the girl can find that sweet spot. I've had time where a girl stroking my dick with her hand felt better than a BJ, and other times I just couldn't seem to get off from her stroking.
That time, I ended up just dry humping her till I blew my load
Yet another time a girl jerked me while i was inbetween her legs kissing her... and jerked me until I blew my load on her stomach.
Depends on the girl I guess!