How wide is the UK at its widest point?

Question

How wide is the UK at its widest point?

Answer 1

Length and breadth:just under 1,000 kilometres from the south coast to the extreme north of the Scottish mainland and just under 500 kilometres across at the widest point.

Answer 2

When measured directly north-south it is a little over 1,100 kilometres (700 mi) in length and is a fraction under 500 kilometres (300 mi) at its widest