I would rather visit Barcelona, and other places in Spain, and Lisbon, Portugal, and also some areas of Greece. It isn't far from France. Paris is too much comercalized. So as London. Try something different and relaxed atmosphere. Barcelona is awesome, and some Greek Island also takes your breath away. Going to Paris and London is like having Accord and Camries. Its not bad owning those cars but I am just saying that its common. Try something different.