You can use this graph to change between miles and kilometres.

Change 25 miles to kilometres.
Change 160 kilometres to miles.
Practise OCR GCSE Maths Conversions and Units with exam-style questions for Foundation and Higher tier. 33 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.