For the actual record, in the UK distances are measured in miles. This can be seen on road signage.
Speeds are measured in miles per hour. This can be seen when driving a car, and also on road signage.
It's basically a mix. Yards are not really used outside really by people, but you will find feet and inches being used (alongside metres and centimetres) often in commercial settings.
Other examples of finding both things in the wild in use by people and companies in the UK: pints and litres. pounds and kilograms