First of all, feeling sore dosen't mean that you had a good workout and muscles grow. (cf. Muscle Evo and bodybuilding.com)
Second, if you can't feel your chest in bench press while you doing this exercise then better stick to exercises where you feel it properly - as example, try incline bench press or incline dumbell press.
P.S. I never felt my chest properly in exercieses without incline, btw, and my armarms are kinda long too (I'm 182cm high)