Well, existing stealth bombers (basically B2 at this point) are sub sonic while many fighters are super sonic. As for range - that's a good point, if your low

Well, existing stealth bombers (basically B2 at this point) are sub sonic while many fighters are super sonic. As for range - that's a good point, if your low fregvency or passive radar gives you a big bounding box, your fighters could run out of fuel before they find the stealth bomber. Or it might drop/launch its payload before you catch it.