Conversation so far:
when were the white cliffs of dover formed
The white cliffs of dover were formed 100 million years ago.
how were the white cliffs of dover formed
Cliffs are formed as erosion landforms by the processes of weathering and erosion.
why were the white cliffs of dover important
Crossing at Dover was the primary route before the advent of air travel, the white line of cliffs also formed the first or last sight of Britain for travellers.

Question: what is the distance from san jose to the cliffs
Self-contained rewrite: how far are the white cliffs of dover from san jose, ca