They use miles
Mostly Kilometers, for road signs etc...
Road signs are in miles. All other distances are metric.
Kilometers
Road America's road course track is 4.048 miles and its Karting road course is 0.8 miles long.
about 4,000 miles (6,400 kilometers)
About 30 road miles (48 kilometers).
4300 kilometers or 2671.90 miles.
About 1225 air miles (1971 kilometers). By road, it is about 3266 miles (5256 kilometers).
About 333 air miles (535 kilometers). By road, it is about 398 miles (641 kilometers).
The longest road in Scotland is the A9. It is 273 miles in length (439 kilometers). The A1 is the longest road in the United Kingdom, covering 410 miles (660 kilometers).
They record in kilometers, yet distances on British road signs are prominently displayed in miles and car's speedometers read in miles per hour with km/h in small display just like the U.S.! As ironic as that sounds, it's a fact.
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