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a measure of the distance travelled by foods between the place where they are produced and the place where they are eaten. Long distances are considered bad because the quality of the food is worse and energy is wasted in transporting it.
a unit for measuring distance in the metric system, containing 1000 metres. The written abbreviation is K or km.
a unit for measuring distance, equal to 1.609 kilometres or 1,760 yards
miles per gallon: the distance in miles that a vehicle can travel using one gallon of petrol