rack up miles

Translations
накатывать мили
He racked up miles driving across the country for work.
Он накатал мили, переезжая через страну по работе.
Definitions
To accumulate a large number of miles, typically in the context of frequent flyer programs or travel rewards, by traveling frequently or making purchases that earn travel points.
Words
rack

verb
накапливать
up

adverb
вверх
miles

noun
мили